{"id":8061,"date":"2026-04-24T13:52:17","date_gmt":"2026-04-24T13:52:17","guid":{"rendered":"https:\/\/telyrx.com\/blog\/?p=8061"},"modified":"2026-04-24T13:52:31","modified_gmt":"2026-04-24T13:52:31","slug":"what-is-dorzolamide-timolol","status":"publish","type":"post","link":"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/","title":{"rendered":"What Is Dorzolamide-Timolol?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-how-it-works\">How It Works<\/h2>\n\n\n\n<p>Dorzolamide-timolol works through two pathways:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dorzolamide:<\/strong> This targets an enzyme called carbonic anhydrase in the ciliary body of the eye. Inhibiting the enzyme slows the chemical reactions that help produce aqueous humor fluid in the eye.<\/li>\n\n\n\n<li><strong>Timolol:<\/strong> This is a beta-blocker. Timolol&#8217;s non-selective formulation blocks receptors that signal the production of fluid. This helps reduce pressure on the eyes and protects the optic nerve.<\/li>\n<\/ul>\n\n\n\n<div class=\"quick-facts-card\">\n  <table class=\"quick-facts-table\">\n    <colgroup>\n      <col\/>\n      <col\/>\n    <\/colgroup>\n\n    <thead>\n      <tr>\n        <th colspan=\"2\">Quick Facts<\/th>\n      <\/tr>\n    <\/thead>\n\n    <tbody>\n      <tr>\n        <td><strong>Common Brands<\/strong><\/td>\n        <td>Cosopt, Cosopt PF (preservative-free)<\/td>\n      <\/tr>\n\n      <tr>\n         <td><strong>Drug Class<\/strong><\/td>\n        <td>Carbonic anhydrase inhibitor\/beta-adrenergic blocker (combination medication)<\/td>\n      <\/tr>\n\n      <tr>\n        <td><strong>Generic Status<\/strong><\/td>\n        <td>Generic version available<\/td>\n      <\/tr>\n\n      <tr>\n         <td><strong>Availability<\/strong><\/td>\n        <td>Prescription only<\/td>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dosing\">Dosing<\/h2>\n\n\n\n<p>For dorzolamide-timolol to be effective, proper administration is crucial. The therapeutic effect diminishes if the drop does not remain in the eye long enough or if the medication enters the patient&#8217;s bloodstream too quickly.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Standard frequency: <\/strong>Per standard guidelines, the typical recommendation is one drop in the affected eye or eyes two times per day. Spacing the doses out by 12 hours is typically advised.<\/li>\n\n\n\n<li><strong>Wait period: <\/strong>Patients who use dorzolamide-timolol in addition to other eye drops are advised to wait 5 to 10 minutes between drops. Using eye drops too close together can cause the second drop to wash out the first, making it less effective.<\/li>\n\n\n\n<li><strong>Administration: <\/strong>Standard recommendations advise patients to tilt their head back to create a small pocket with the lower eyelid, then administer the drop without the dropper tip coming into contact with the eye.<\/li>\n<\/ul>\n\n\n\n<p><em><strong>Note:<\/strong> Dosing information below is educational only. Your prescribing physician will determine your specific dose based on your individual health needs.\u00a0Always follow your healthcare provider\u2019s instructions for exact dosing.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-uses\">Uses<\/h2>\n\n\n\n<p><strong>FDA-Approved Uses<\/strong><\/p>\n\n\n\n<p>Dorzolamide-timolol is FDA-approved to manage the intraocular pressure for people with open-angle glaucoma, for whom the drainage angle of the eye remains open, but fluid will not drain. The drug is also FDA-approved to treat high pressure in the eye for people with ocular hypertension who do not yet show signs of optic nerve damage, but are at high risk of developing this condition.<\/p>\n\n\n\n<p><strong>Off-Label Uses<\/strong><\/p>\n\n\n\n<p>You may see dorzolamide-timolol prescribed for uses that are not &#8220;FDA-approved.&#8221; This is a very common and legal practice called &#8220;off-label&#8221; prescribing, where a doctor uses their clinical judgment to prescribe a drug for a different (but well-researched) purpose.<\/p>\n\n\n\n<p>Common off-label uses for dorzolamide-timolol currently found in clinical research and practice include the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Secondary glaucoma: <\/strong>Dorzolamide-timolol can be used to manage pressure spikes following eye trauma, inflammation, certain pigment disorders, and other conditions that cause secondary glaucoma.<\/li>\n\n\n\n<li><strong>Post-surgical pressure management: <\/strong>The drug can provide short-term prevention of pressure spikes after cataract surgery, laser procedures, and other eye procedures.<\/li>\n<\/ul>\n\n\n<div class=\"telyrx-email-cta alignfull wp-block-telyrx-email-signup\">\n\t<h2 class=\"telyrx-email-cta__heading\" data-toc-hidden=\"true\">Get Savings Updates<\/h2>\n\t<p class=\"telyrx-email-cta__description\">Join our mailing list for exclusive deals and more.<\/p>\n\t\t\t<form\n\t\t\tid=\"telyrx-email-form-1\"\n\t\t\tclass=\"telyrx-email-cta__form\"\n\t\t\tdata-portal-id=\"46401311\"\n\t\t\tdata-form-id=\"14e1d7d5-6b17-4228-b42e-c06d1a6c240b\"\n\t\t\tdata-i18n=\"{&quot;subscribe&quot;:&quot;Subscribe&quot;,&quot;success&quot;:&quot;Thanks! You&#039;re subscribed.&quot;,&quot;error&quot;:&quot;Something went wrong. Please try again.&quot;}\"\n\t\t>\n\t\t\t<div class=\"telyrx-email-cta__pill\">\n\t\t\t\t<input\n\t\t\t\t\ttype=\"email\"\n\t\t\t\t\tname=\"email\"\n\t\t\t\t\tclass=\"telyrx-email-cta__input\"\n\t\t\t\t\tplaceholder=\"Enter your email\"\n\t\t\t\t\trequired\n\t\t\t\t\tautocomplete=\"email\"\n\t\t\t\t\/>\n\t\t\t\t<button type=\"submit\" class=\"telyrx-email-cta__button\">\n\t\t\t\t\tSubscribe\t\t\t\t<\/button>\n\t\t\t<\/div>\n\t\t\t<p class=\"telyrx-email-cta__status\" aria-live=\"polite\"><\/p>\n\t\t<\/form>\n\t\t<noscript>\n\t\t\t<p class=\"telyrx-email-cta__noscript\">Please enable JavaScript to use the signup form.<\/p>\n\t\t<\/noscript>\n\t<\/div>\n\n\n\n<section class=\"telyrx-side-effects\" data-toc-title=\"Side Effects\">\n\t<h2 class=\"telyrx-side-effects__heading\">Side Effects<\/h2>\n\t<hr class=\"telyrx-side-effects__separator\">\n\t<div class=\"telyrx-side-effects__content\">\n\t\t\n\n<p>Many people tolerate dorzolamide-timolol well, but the combination of two active medications increases the risk of localized irritation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-common-side-effects\">Common Side Effects<\/h3>\n\n\n\n<div class=\"telyrx-side-effects-chip telyrx-side-effects-chip--common\">\n\t\n\n<p>Common side effects of using dorzolamide-timolol include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Burning or stinging immediately after administration<\/li>\n\n\n\n<li>Bitter or sour taste in the mouth<\/li>\n\n\n\n<li>Temporarily blurred or cloudy vision<\/li>\n\n\n\n<li>Mild headache<\/li>\n<\/ul>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-serious-side-effects\">Serious Side Effects<\/h3>\n\n\n\n<div class=\"telyrx-side-effects-chip telyrx-side-effects-chip--serious\">\n\t\n\n<p>Serious side effects are rare, but it&#8217;s important to know what to look for if they do occur. Serious side effects from using dorzolamide-timolol can include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bronchospasm: <\/strong>Dorzolamide-timolol can cause difficulty breathing, wheezing, or a sudden cough in some people, particularly those with asthma or chronic obstructive pulmonary disease.<\/li>\n\n\n\n<li><strong>Cardiac changes: <\/strong>The medication can lead to a slower heart rate, dizziness, and fainting.<\/li>\n\n\n\n<li><strong>Worsening heart failure: <\/strong>People with heart failure who take dorzolamide-timolol may notice their condition worsening. Common symptoms include sudden weight gain and swelling of the hands and feet.<\/li>\n\n\n\n<li><strong>Severe allergic reaction: <\/strong>Dorzolamide-timolol can cause anaphylaxis in people allergic to any of its ingredients.<\/li>\n<\/ul>\n\n<\/div>\n\n\n\n<p class=\"has-muted-color has-text-color\" style=\"font-size:0.875rem\"><em>Call your doctor immediately if you experience any concerning or prolonged symptoms.<\/em><\/p>\n\n\t<\/div>\n<\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-pharmacist-tips\">Pharmacist Tips<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-proper-occlusion-is-key\">Proper Occlusion Is Key<\/h3>\n\n\n\n<p>When administering the eye drop, standard guidelines state that patients should press firmly on the inner corner of their eye near the nose for at least one minute. This helps close the tear duct and keep the medication in the eye.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-take-the-sting-off\">Take The Sting Off<\/h3>\n\n\n\n<p>Some people who use dorzolamide-timolol find that storing the medication bottle in a cool place can make the drops more soothing to use.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-remove-your-contacts\">Remove Your Contacts<\/h3>\n\n\n\n<p>If you wear soft contact lenses, remove them before you administer the eye drops. The lenses can absorb preservatives from the bottle, causing eye irritation. Wait at least 15 minutes before you put your contact lenses back in.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-practice-proper-hygiene\">Practice Proper Hygiene<\/h3>\n\n\n\n<p>Patients should never touch the dropper tip to the eye or eyelashes. This helps prevent contamination that can lead to a more serious eye infection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-watch-for-white-powder\">Watch For White Powder<\/h3>\n\n\n\n<p>You may notice a dry white residue on your eyelashes or the tip of the bottle. This is dried medication, and patients can wipe it away with a clean, damp tissue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-drug-interactions\">Drug Interactions<\/h2>\n\n\n\n<p>While the eye drops are technically a topical medication, systemic absorption can still occur, potentially leading to interactions between dorzolamide-timolol and oral medications. Known interactions with dorzolamide-timolol include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Oral beta-blockers: <\/strong>Taking oral beta-blockers such as atenolol or metoprolol alongside dorzolamide-timolol eye drops can have an additive effect, slowing the heart rate too much.<\/li>\n\n\n\n<li><strong>Calcium channel blockers: <\/strong>Diltiazem, verapamil, and other calcium channel blockers can interact with the timolol in the eye drops and affect the patient&#8217;s heart rhythm.<\/li>\n\n\n\n<li><strong>Aspirin: <\/strong>High doses of aspirin can interact with the dorzolamide in the eye drops and potentially affect the body&#8217;s acid-base balance.<\/li>\n\n\n\n<li><strong>Digitalis: <\/strong>Using digitalis heart medication with timolol can increase your risk of a slower heart rate.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Always give your doctor and pharmacist a complete list of all your medications, vitamins, and supplements to check for potential interactions.<\/p>\n\n\n\n<section class=\"telyrx-faq-section\" data-toc-title=\"FAQs\">\n\t<h2 class=\"telyrx-faq-heading\">FAQs<\/h2>\n\t\t<div class=\"telyrx-faq-items\">\n\t\t\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Why do these eye drops burn so badly right after I put them in?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>The burning or stinging you experience immediately after administering the eye drops is due to the slightly acidic pH of dorzolamide. This common reaction normally lasts 30 to 60 seconds. Contact your doctor if the burning is severe or causes lasting redness.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Can I use these drops while wearing my soft contact lenses?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Per standard guidelines, remove your soft contact lenses before you administer the eye drops. The benzalkonium chloride preservative in the drops can discolor lenses and cause irritation. Wait at least 15 minutes after using the eye drops before putting your soft contact lenses back in.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">What is the difference between Dorzolamide-Timolol and Cosopt PF?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Generic dorzolamide-timolol and standard brand-name Cosopt medications usually come in a multi-dose bottle that contains preservatives. Cosopt PF, which contains no preservatives, comes in a single-use vial and may suit patients with sensitive eyes or severe dry eye syndrome.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Is it safe to use this medication if I have an allergy to sulfa antibiotics?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Dorzolamide is a sulfonamide medication. Although people with sulfa allergies generally tolerate dorzolamide well, there is still a risk of cross-reactivity. Providers typically tell patients to monitor for signs of allergic reaction, such as rash or irritation.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Does this eye medication actually absorb into my bloodstream?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>The eye&#8217;s mucous membranes and tear ducts absorb dorzolamide-timolol into your bloodstream. This pathway can cause changes in heart rate and other systemic effects, though these reactions remain rare.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Why are you told to press firmly on the inner corner of your eye after applying the drop?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>This technique, known as &#8220;punctual occlusion,&#8221; blocks the drainage path from the eye to your nose and throat. This helps the medication remain in the eye longer, reducing the risk of systemic absorption, and helping to prevent the bitter-taste side effect.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Will this medication change the color of my eyes?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>No, dorzolamide-timolol is not known to change the color of your eyes.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">How long should I wait between using dorzolamide-timolol drops and other prescription eye drops?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>A wait time of 5 to 10 minutes between administration of different eye drops is recommended. This helps ensure the second drop won&#8217;t wash out the first drop or affect its absorption.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">How many times a day am I supposed to use these drops?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Per clinical guidelines, the standard dose of dorzolamide-timolol eye drops is two drops per day. These are typically spaced 12 hours apart for morning and evening doses.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Can I use these drops just in one eye, or must I treat both?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Glaucoma can affect the eyes differently, causing symptoms in one eye but not the other. Standard guidelines state that patients should follow their doctor&#8217;s advice on which eyes to treat with the eye drops. Only treating one eye is common.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Is it normal for my vision to be slightly blurry or cloudy after using the drops?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Yes, temporary blurriness or cloudiness in the eyes is a normal side effect of using dorzolamide-timolol eye drops. It is advised to avoid driving or operating machinery after using the eye drops until you&#8217;ve had time to determine how the medication affect you.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Why does the tip of the dropper bottle have white powder building up on it?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>The white powder on the tip of your dropper bottle is most likely medication that has dried and crystallized. This is normal, and you can clean the residue with a warm, damp towel.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Can these drops actually cure my glaucoma, or do I have to use them for the rest of my life?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>There is no cure for glaucoma. You cannot restore vision lost to glaucoma, but dorzolamide-timolol eye drops control intraocular pressure to prevent further damage. Patients commonly use the eye drops long-term to protect their remaining vision.<\/p>\n\n\t<\/div>\n<\/details>\n\n\n\n<details class=\"telyrx-faq-item\">\n\t<summary class=\"telyrx-faq-question\">\n\t\t<span class=\"telyrx-faq-question-text\">Is it safe to use dorzolamide-timolol if I am pregnant or breastfeeding?<\/span>\n\t\t<svg class=\"telyrx-faq-chevron\" width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" aria-hidden=\"true\">\n\t\t\t<path d=\"M5 7.5L10 12.5L15 7.5\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\t\t<\/svg>\n\t<\/summary>\n\t<div class=\"telyrx-faq-answer\">\n\t\t\n\n<p>Per standard guidelines, pregnant and breastfeeding patients should discuss dorzolamide-timolol use with their provider before using the eye drops for the first time. Timolol is known to pass into breast milk.<\/p>\n\n\t<\/div>\n<\/details>\n\n\t<\/div>\n<\/section>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why do these eye drops burn so badly right after I put them in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The burning or stinging you experience immediately after administering the eye drops is due to the slightly acidic pH of dorzolamide. This common reaction normally lasts 30 to 60 seconds. Contact your doctor if the burning is severe or causes lasting redness.\"}},{\"@type\":\"Question\",\"name\":\"Can I use these drops while wearing my soft contact lenses?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Per standard guidelines, remove your soft contact lenses before you administer the eye drops. The benzalkonium chloride preservative in the drops can discolor lenses and cause irritation. Wait at least 15 minutes after using the eye drops before putting your soft contact lenses back in.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between Dorzolamide-Timolol and Cosopt PF?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Generic dorzolamide-timolol and standard brand-name Cosopt medications usually come in a multi-dose bottle that contains preservatives. Cosopt PF, which contains no preservatives, comes in a single-use vial and may suit patients with sensitive eyes or severe dry eye syndrome.\"}},{\"@type\":\"Question\",\"name\":\"Is it safe to use this medication if I have an allergy to sulfa antibiotics?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dorzolamide is a sulfonamide medication. Although people with sulfa allergies generally tolerate dorzolamide well, there is still a risk of cross-reactivity. Providers typically tell patients to monitor for signs of allergic reaction, such as rash or irritation.\"}},{\"@type\":\"Question\",\"name\":\"Does this eye medication actually absorb into my bloodstream?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The eye's mucous membranes and tear ducts absorb dorzolamide-timolol into your bloodstream. This pathway can cause changes in heart rate and other systemic effects, though these reactions remain rare.\"}},{\"@type\":\"Question\",\"name\":\"Why are you told to press firmly on the inner corner of your eye after applying the drop?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This technique, known as \\\"punctual occlusion,\\\" blocks the drainage path from the eye to your nose and throat. This helps the medication remain in the eye longer, reducing the risk of systemic absorption, and helping to prevent the bitter-taste side effect.\"}},{\"@type\":\"Question\",\"name\":\"Will this medication change the color of my eyes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, dorzolamide-timolol is not known to change the color of your eyes.\"}},{\"@type\":\"Question\",\"name\":\"How long should I wait between using dorzolamide-timolol drops and other prescription eye drops?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A wait time of 5 to 10 minutes between administration of different eye drops is recommended. This helps ensure the second drop won't wash out the first drop or affect its absorption.\"}},{\"@type\":\"Question\",\"name\":\"How many times a day am I supposed to use these drops?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Per clinical guidelines, the standard dose of dorzolamide-timolol eye drops is two drops per day. These are typically spaced 12 hours apart for morning and evening doses.\"}},{\"@type\":\"Question\",\"name\":\"Can I use these drops just in one eye, or must I treat both?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Glaucoma can affect the eyes differently, causing symptoms in one eye but not the other. Standard guidelines state that patients should follow their doctor's advice on which eyes to treat with the eye drops. Only treating one eye is common.\"}},{\"@type\":\"Question\",\"name\":\"Is it normal for my vision to be slightly blurry or cloudy after using the drops?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, temporary blurriness or cloudiness in the eyes is a normal side effect of using dorzolamide-timolol eye drops. It is advised to avoid driving or operating machinery after using the eye drops until you've had time to determine how the medication affect you.\"}},{\"@type\":\"Question\",\"name\":\"Why does the tip of the dropper bottle have white powder building up on it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The white powder on the tip of your dropper bottle is most likely medication that has dried and crystallized. This is normal, and you can clean the residue with a warm, damp towel.\"}},{\"@type\":\"Question\",\"name\":\"Can these drops actually cure my glaucoma, or do I have to use them for the rest of my life?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"There is no cure for glaucoma. You cannot restore vision lost to glaucoma, but dorzolamide-timolol eye drops control intraocular pressure to prevent further damage. Patients commonly use the eye drops long-term to protect their remaining vision.\"}},{\"@type\":\"Question\",\"name\":\"Is it safe to use dorzolamide-timolol if I am pregnant or breastfeeding?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Per standard guidelines, pregnant and breastfeeding patients should discuss dorzolamide-timolol use with their provider before using the eye drops for the first time. Timolol is known to pass into breast milk.\"}}]}<\/script>\n\n<div class=\"telyrx-comparable-medications wp-block-telyrx-comparable-medications\">\n\t<h2 class=\"telyrx-comparable-medications__title\">Comparable Medications<\/h2>\n\t\t\t<div class=\"telyrx-comparable-medications__intro\">\n\n<p><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>Dorzolamide-Timolol, Timolol, Brimonidine\/Timolol, Latanoprost, Bimatoprost, or Cosopt PF?<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n<p>Dorzolamide-timolol is a combination eye drop medication primarily used to reduce intraocular pressure in people with conditions like glaucoma. Based on your medical history and severity of symptoms, your doctor may recommend this drug, a specific form of dorzolamide-timolol, or an alternative medication. Alternatives to dorzolamide-timolol include:<\/p>\n\n<\/div>\n\t\t\t\t<div class=\"telyrx-comparable-medications__item\">\n\t\t\t<div class=\"telyrx-comparable-medications__item-top\">\n\t\t\t\t<div class=\"telyrx-comparable-medications__item-info\">\n\t\t\t\t\t<h3 class=\"telyrx-comparable-medications__name\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__name-link\" href=\"https:\/\/telyrx.com\/medications\/timolol-eye-drops\">\n\t\t\t\t\t\t\t\tTimolol Eye Drops\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__price\">\n\t\t\t\t\t\t\tFrom $27.99\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__cta\" href=\"https:\/\/telyrx.com\/medications\/timolol-eye-drops\">\n\t\t\t\t\t\tView Product\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__description\">\n\t\t\t\t\tGeneric timolol, sold under the brand name Timoptic, is a beta-blocker that targets fluid production in the eye via one pathway. It lacks the second component of dorzolamide-timolol.\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<hr class=\"telyrx-comparable-medications__divider\">\n\t\t\t\t\t<div class=\"telyrx-comparable-medications__item\">\n\t\t\t<div class=\"telyrx-comparable-medications__item-top\">\n\t\t\t\t<div class=\"telyrx-comparable-medications__item-info\">\n\t\t\t\t\t<h3 class=\"telyrx-comparable-medications__name\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__name-link\" href=\"https:\/\/telyrx.com\/medications\/brimonidine-timolol-eye-drops\">\n\t\t\t\t\t\t\t\tBrimonidine-Timolol Eye Drops\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__price\">\n\t\t\t\t\t\t\tFrom $37.99\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__cta\" href=\"https:\/\/telyrx.com\/medications\/brimonidine-timolol-eye-drops\">\n\t\t\t\t\t\tView Product\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__description\">\n\t\t\t\t\tSold under the brand name Combigan, brimonidine-timolol is a combination eye drop. Brimonidine is an alpha-2 agonist that reduces aqueous humor production and increases aqueous humor drainage in the eye. This mechanism differs from that of dorzolamide, but both medications can be effective. Providers typically choose one over the other based on their patients&#039; allergies and side-effect profiles.\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<hr class=\"telyrx-comparable-medications__divider\">\n\t\t\t\t\t<div class=\"telyrx-comparable-medications__item\">\n\t\t\t<div class=\"telyrx-comparable-medications__item-top\">\n\t\t\t\t<div class=\"telyrx-comparable-medications__item-info\">\n\t\t\t\t\t<h3 class=\"telyrx-comparable-medications__name\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__name-link\" href=\"https:\/\/telyrx.com\/medications\/latanoprost\">\n\t\t\t\t\t\t\t\tLatanoprost\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__price\">\n\t\t\t\t\t\t\tFrom $29.99\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<a class=\"telyrx-comparable-medications__cta\" href=\"https:\/\/telyrx.com\/medications\/latanoprost\">\n\t\t\t\t\t\tView Product\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__description\">\n\t\t\t\t\tLatanoprost, sold under the brand name Xalatan, is a once-daily eye drop intended to increase fluid drainage. It is often the first-line treatment for glaucoma, and dorzolamide-timolol may be added if latanoprost alone is not effective.\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<hr class=\"telyrx-comparable-medications__divider\">\n\t\t\t\t\t<div class=\"telyrx-comparable-medications__item\">\n\t\t\t<div class=\"telyrx-comparable-medications__item-top\">\n\t\t\t\t<div class=\"telyrx-comparable-medications__item-info\">\n\t\t\t\t\t<h3 class=\"telyrx-comparable-medications__name\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tBitamoprost\t\t\t\t\t\t\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__description\">\n\t\t\t\t\tLike latanoprost, it is a prostaglandin analog that helps increase drainage of aqueous humor. It can cause the color of your eyelashes and eyes to change.\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<hr class=\"telyrx-comparable-medications__divider\">\n\t\t\t\t\t<div class=\"telyrx-comparable-medications__item\">\n\t\t\t<div class=\"telyrx-comparable-medications__item-top\">\n\t\t\t\t<div class=\"telyrx-comparable-medications__item-info\">\n\t\t\t\t\t<h3 class=\"telyrx-comparable-medications__name\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tCosopt PF\t\t\t\t\t\t\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<p class=\"telyrx-comparable-medications__description\">\n\t\t\t\t\tGeneric dorzolamide-timolol and brand-name Cosopt PF (preservative-free) share the same active ingredients, but Cosopt PF does not contain preservatives. Patients may prefer this form if they have experienced redness or irritation in their eyes from generic dorzolamide-timolol or standard Cosopt eye drops.\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\n\n<div class=\"telyrx-product-list telyrx-product-list--single wp-block-telyrx-product-list\">\n\t\t\t\t\t<a class=\"telyrx-product-list__card telyrx-product-list__card--single\" href=\"https:\/\/telyrx.com\/medications\/dorzolamide-timolol\">\n\t\t\t\t\t\t\t<img\n\t\t\t\t\tclass=\"telyrx-product-list__image\"\n\t\t\t\t\tsrc=\"https:\/\/telyrx.com\/media\/catalog\/product\/d\/o\/dorzolamide_timolol_22.3_mg_6.8_mgml_10ml_bottle_1620_003_sq-bg_ai_gen_1.png\"\n\t\t\t\t\talt=\"Dorzolamide-Timolol\"\n\t\t\t\t\twidth=\"213\"\n\t\t\t\t\theight=\"213\"\n\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t>\n\t\t\t\t\t\t<div class=\"telyrx-product-list__content\">\n\t\t\t\t<p class=\"telyrx-product-list__name\">Dorzolamide-Timolol<\/p>\n\t\t\t\t<span class=\"telyrx-product-list__cta telyrx-product-list__cta--yellow\">\n\t\t\t\t\tView Product\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t<\/a>\n\t<\/div>\n\n\n<div class=\"telyrx-product-list-section alignfull wp-block-telyrx-product-list\">\n\t<h2 class=\"telyrx-product-list-section__heading\" data-toc-hidden=\"true\">We Have Dorzolamide in Stock. Get Yours Today!<\/h2>\n\t<div class=\"telyrx-product-list telyrx-product-list--footer-multi\">\n\t\t<div class=\"telyrx-product-list__grid\">\n\t\t\t\t\t\t\t<a class=\"telyrx-product-list__card\" href=\"https:\/\/telyrx.com\/medications\/dorzolamide-timolol\">\n\t\t\t\t\t\t\t\t\t\t\t<img\n\t\t\t\t\t\t\tclass=\"telyrx-product-list__image\"\n\t\t\t\t\t\t\tsrc=\"https:\/\/telyrx.com\/media\/catalog\/product\/d\/o\/dorzolamide_timolol_22.3_mg_6.8_mgml_10ml_bottle_1620_003_sq-bg_ai_gen_1.png\"\n\t\t\t\t\t\t\talt=\"Dorzolamide-Timolol\"\n\t\t\t\t\t\t\twidth=\"213\"\n\t\t\t\t\t\t\theight=\"213\"\n\t\t\t\t\t\t\tloading=\"lazy\"\n\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t<div class=\"telyrx-product-list__content\">\n\t\t\t\t\t\t<p class=\"telyrx-product-list__name\">Dorzolamide-Timolol<\/p>\n\t\t\t\t\t\t<span class=\"telyrx-product-list__cta telyrx-product-list__cta--yellow\">\n\t\t\t\t\t\t\tOrder Now\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t<div class=\"telyrx-product-list-section__extra\">\n\t\t\t<p class=\"has-muted-color has-text-color has-urbanist-font-family\" style=\"font-size:0.875rem;font-style:italic;font-weight:400;line-height:1.571\"><strong>Important:<\/strong> Information on this page is for educational purposes only. Prescribing decisions are made by independent, licensed providers. TelyRx operates technology-enabled pharmacies and a telehealth platform that connects patients with board-certified licensed providers. Prescriptions, when provider-approved and issued, are filled and shipped by TelyRx-affiliated pharmacies. We do not employ physicians or make prescribing decisions. Learn more about our editorial standards <a href=\"\/blog\/editorial-standards\/\">here<\/a>.<\/p>\t\t<\/div>\n\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dorzolamide-timolol, also known as the brand name Cosopt, is a prescription-strength eye drop medication used to treat open-angle glaucoma and ocular hypertension. These conditions cause overproduction of the aqueous humor fluid in the eye or difficulty in draining the fluid from the eye. <\/p>\n<p>Dorzolamide-timolol is a combination medication that contains a carbonic anhydrase inhibitor (dorzolamide) and a beta-blocker (timolol) to reduce the amount of fluid in the eye.<\/p>\n","protected":false},"author":2,"featured_media":8062,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-medication","format":"standard","meta":{"content-type":"","telyrx_subtitle":"Uses, Side Effects, Dosage & FAQs (2026 Guide)","telyrx_last_updated":"2026-04-24T13:52","telyrx_reviewer_name":"Dora Rebelo","telyrx_reviewer_credentials":"PharmD","telyrx_reviewer_job_title":"Pharmacist","telyrx_reviewer_affiliation":"TelyRx","telyrx_reviewer_url":"","telyrx_show_reviewer_job_title":"0","telyrx_show_reviewer_affiliation":"0","telyrx_show_toc":"1","_jetpack_memberships_contains_paid_content":false,"footnotes":"","_telyrx_clean_url":"\/medications\/dorzolamide-timolol\/what-is\/"},"categories":[86],"tags":[],"class_list":["post-8061","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What Is Dorzolamide-Timolol? Uses, Side Effects, Dosage, and FAQs<\/title>\n<meta name=\"description\" content=\"Learn what dorzolamide-tamilol is, how it works, common side effects, and how to get it prescribed online through TelyRx.com\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is Dorzolamide-Timolol?\" \/>\n<meta property=\"og:description\" content=\"Learn what dorzolamide-tamilol is, how it works, common side effects, and how to get it prescribed online through TelyRx.com\" \/>\n<meta property=\"og:url\" content=\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\" \/>\n<meta property=\"og:site_name\" content=\"TelyRx Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-24T13:52:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-24T13:52:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/telyrx.com\/blog\/wp-content\/uploads\/2026\/04\/dorzolamide-timololeyedrops.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mariah Powers\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mariah Powers\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\"},\"author\":{\"name\":\"Mariah Powers\",\"@id\":\"https:\/\/telyrx.com\/blog\/#\/schema\/person\/f1042a29c24ab7dd3c5f0fff9a06746b\"},\"headline\":\"What Is Dorzolamide-Timolol?\",\"datePublished\":\"2026-04-24T13:52:17+00:00\",\"dateModified\":\"2026-04-24T13:52:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\"},\"wordCount\":1523,\"publisher\":{\"@id\":\"https:\/\/telyrx.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/telyrx.com\/blog\/wp-content\/uploads\/2026\/04\/dorzolamide-timololeyedrops.jpg\",\"articleSection\":[\"Medications\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\",\"url\":\"https:\/\/telyrx.com\/blog\/medications\/what-is-dorzolamide-timolol\/\",\"name\":\"What Is Dorzolamide-Timolol? 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