Why do I have to start taking oseltamivir within 48 hours of feeling sick?

After entering a host cell, the influenza virus replicates and spreads throughout the body, reaching peak levels around the 48-hour mark. Oseltamivir is most effective at preventing the replication of spread of influenza during the first 48 hours.

Does oseltamivir kill the flu virus?

Technically, oseltamivir prevents the influenza virus from replicating and confining it within the host cell. By trapping the virus, this enables the immune system to eliminate infected cells more efficiently – but oseltamivir does not directly kill the virus.

Is oseltamivir used for the stomach flu (gastroenteritis)?

No, oseltamivir is not effective against the stomach flu. This condition, also called gastroenteritis, is typically caused by norovirus bacteria, not the influenza virus for which oseltamivir has been specifically indicated.

Can I stop taking oseltamivir as soon as I feel better?

It is not advised to stop taking oseltamivir as soon as you feel better. Standard guidelines recommend completing the entire treatment course, even if you start to feel better, to help your body clear the influenza infection and reduce the risk of complications.

Does oseltamivir treat COVID-19?

No, oseltamivir is formulated to bind to the neuraminidase protein of the influenza virus. The SARS-CoV-2 virus, which causes COVID-19, does not contain neuraminidase proteins, so oseltamivir is ineffective at treating it.

Is oseltamivir safe to take during pregnancy?

Yes. Not only is oseltamivir considered safe for pregnant and postpartum patients, but is usually the preferred antiviral medication for these individuals. However, pregnant patients should consult their healthcare provider before taking any medications.

Can I take oseltamivir to prevent the flu if a family member is sick?

Yes, oseltamivir works to both treat and prevent flu. Standard guidelines suggest a daily dose for at least 10 days if you’ve come into contact with someone who has the flu but you are not yet showing symptoms. Talk to your doctor about obtaining a prescription and dosage specifics.

Can I take Tylenol or ibuprofen while on oseltamivir?

Yes, it is generally accepted that acetaminophen (Tylenol) and nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen (Advil) can be used in combination with oseltamivir to help manage symptoms like fever and body aches.

Does oseltamivir interfere with the flu shot?

No, oseltamivir is not believed to interfere with standard flu shot vaccines. However, it has been shown to interfere with the nasal spray flu vaccine – guidelines suggest waiting at least 48 hours after finishing oseltamivir before getting the nasal vaccine.

Can I drink alcohol while taking oseltamivir?

There is no known interaction between oseltamivir and alcohol. That said, many healthcare providers suggest limiting or completely avoiding alcohol while you have the flu.

Does oseltamivir work against all strains of the flu (Type A and B)?

Yes, oseltamivir is FDA-approved to treat Type A and Type B influenza for patients who have experienced symptoms for no longer than 48 hours. However, oseltamivir is ineffective against the stomach flu.

Should I use Tamiflu or Xofluza?

Both Tamiflu and Xofluza are effective. Tamiflu is taken twice daily and has a more established track record as an effective flu medication, whereas Xofluza is a newer medication that usually consists of a one-time single dose. Your doctor can recommend one or the other based on your medical history and severity of symptoms.

What is the best time to take Tamiflu?

Standard guidelines recommend taking Tamiflu within 48 hours of first experiencing flu symptoms. After 48 hours, your doctor will need to re-evaluate your condition and may prescribe a different medication.

What is mupirocin ointment used to treat?

Mupirocin is primarily used to treat impetigo skin infections caused by staph or strep bacteria. It is also FDA-approved to treat secondary infections that occur in preexisting wounds, burns, and surgical sutures.

Is mupirocin the same thing as Neosporin?

No, mupirocin and Neosporin are not the same. Neosporin is an over-the-counter topical medication that contains three different antibiotics. Mupirocin is a prescription-strength topical with a unique formulation to combat drug-resistant bacteria, so it may be more effective than neosporin.

Can I use mupirocin for acne or pimples?

Mupirocin is not considered first-line treatment for acne and pimples. Although the drug kills bacteria, its target range is largely limited to infections caused by staph and strep bacteria. Using mupirocin to clear acne may not be effective, and can contribute to your antibiotic resistance.

Why shouldn’t I use the regular mupirocin ointment inside my nose?

Standard mupirocin topical medication contains ingredients that can irritate the mucous membrane in your nasal cavity, which is very sensitive. A special mupirocin nasal ointment with gentler ingredients is normally prescribed for staph or strep infections inside the nose.

Does mupirocin treat fungal infections like ringworm or athlete’s foot?

No, mupirocin is formulated to treat bacterial infections and is not effective against fungal infections like ringworm or athlete’s foot. Your doctor will likely recommend an antifungal treatment to address these issues.

Can I use mupirocin on an open wound or deep cut?

Mupirocin should only be applied to an open wound or deep cut if the patient’s provider has explicitly instructed them to do so. For larger wounds, more powerful systemic antibiotics are often prescribed as first-line treatment.

How long does it take for mupirocin to clear up impetigo?

Results vary by patient, but most patients see improvements to their impetigo after 3 to 5 days of prescribed daily application. However, doctors recommend completing the treatment course – even if symptoms have completely cleared up – to ensure the bacteria is completely eradicated.

Can I use mupirocin for a stye or near my eyes?

It is generally advised to keep mupirocin away from the eyes, as this is not an ophthalmic medication. Your doctor may be able to recommend alternatives for treating styes and other eye infections.

Is mupirocin available over-the-counter (OTC)?

No, mupirocin is not available over the counter. It requires a valid doctor’s prescription to obtain. 

Can I use mupirocin on a burn?

You should only apply mupirocin to a burn if your doctor explicitly directs you to do so. The drug is meant to treat bacterial infections, and may not be effective against minor burns. Mupirocin ointment also contains polyethylene glycol (PG), which can be potentially toxic when the body absorbs large quantities.

Does mupirocin kill MRSA (Methicillin-resistant Staphylococcus aureus)?

Yes, mupirocin is one of the few antibiotic medications known to be effective against MRSA.

What is the difference between mupirocin cream and mupirocin ointment?

Mupirocin ointment is normally used to treat impetigo, whereas mupirocin cream is most often prescribed for infected cuts or suture wounds. The cream is considered more “breathable” for certain types of lesions, and – unlike the ointment – does not contain polyethylene glycol (PG).

Does mupirocin help with eczema?

Yes, mupirocin can be used to help eczema, but only if the eczema shows signs of a secondary bacterial infection. In these cases, doctors may prescribe mupirocin to treat the bacterial infection as an adjunct to whatever first-line medication the patient is using to treat their eczema. 

How often should I apply Mupirocin?

Specific dosage varies by patient and doctor recommendations, but standard guidelines for using mupirocin call for three applications per day over a 7- to 10-day treatment course. It is not advised to apply mupirocin after the course has finished, as this can contribute to antibiotic resistance.

What is the difference between acyclovir and valacyclovir (Valtrex)?

Valtrex is a brand-name version of the generic drug valacyclovir. When patients take Valtrex, their body converts valacyclovir into acyclovir. Valtrex has a faster absorption rate than acyclovir oral tablets and requires less frequent dosing of once or twice per day. Since acyclovir topical works directly on the skin, it bypasses the digestive tract entirely and absorption rate is localized to the infection site.

Can I drink alcohol while taking acyclovir?

Yes, patients can drink alcohol while taking acyclovir as long as their doctor approves. However, excessive drinking can suppress the immune system and make the medication less effective, so moderation is generally recommended. 

How long does it take for acyclovir to clear up a cold sore?

Acyclovir can reduce the healing time of a cold sore by 1 to 2 days, so most people find their sores have cleared up within 4 to 7 days of starting treatment.

Why do I have to take acyclovir so many times a day?

HSV replicates very quickly, so multiple applications are needed to prevent the virus from being able to do so. Most providers instruct their patients to apply the topical 5 to 6 times per day.

Is acyclovir safe to take during pregnancy?

Since systemic absorption is minimal, acyclovir is generally considered safe for pregnant patients. However, you should always consult your doctor or obstetrician before starting any new medication during your pregnancy.

Does acyclovir cure herpes, or just treat the symptoms?

Acyclovir treats the symptoms of herpes outbreaks. There is currently no “cure” for herpes, and the virus remains dormant in the cells between outbreaks.

Why is it important to drink lots of water while taking acyclovir?

Acyclovir topical medication is processed and eliminated in the kidneys, so staying hydrated helps to promote healthy kidney function and lowers the risk of kidney damage.

Can I use acyclovir cream and pills at the same time?

For patients with severe herpes outbreaks, providers may simultaneously prescribe oral and topical acyclovir treatments. One form of treatment on its own is usually effective for cold sores, and there is no evidence that using both will clear up the infection more quickly.

Does acyclovir prevent me from passing herpes to my partner?

Acyclovir reduces viral shedding to potentially lower the risk of transmission, but it does not eliminate the risk. It is still possible to transmit herpes while using acyclovir, so it is advised to avoid kissing and sexual contact while the outbreak is active.

Is acyclovir used for shingles or chickenpox?

Yes, acyclovir’s most common off-label uses include herpes zoster (shingles) and varicella (chickenpox). In these cases, topical acyclovir is most commonly prescribed for alleviating pain and discomfort.

Does acyclovir make birth control pills less effective?

There is no evidence that acyclovir interferes with the effectiveness of hormonal birth control.

Can I take acyclovir for a canker sore?

No, viruses do not cause canker sores and acyclovir – an antiviral medication – will not be effective at treating them. Most canker sores have bacterial or inflammatory sources.

How soon after the first sign of an outbreak should I start taking acyclovir?

Standard guidelines recommend starting acyclovir as soon as possible after a herpes outbreak begins. Ideally, patients begin taking the drug within 24 to 48 hours. Light tingling and burning are two of the most common precursors for a new outbreak.

Why must I take Synthroid on an empty stomach?

Food can bind to Synthroid in your gut and prevent it from entering your bloodstream. This is especially true for high-fiber foods. Taking Synthroid on an empty stomach helps ensure you’ll get your full dose of the medication.

How long do I have to wait after taking Synthroid before I can drink coffee?

It is recommended to wait at least 60 minutes after your Synthroid dose to drink coffee. Coffee, like food, can affect how your body absorbs the medication and make the drug less effective.

Does Synthroid cause hair loss?

Yes, temporary hair loss can occur during the first few months of Synthroid therapy as your body adjusts to the medication. In most cases, the hair loss is mild and resolves in a matter of weeks.

Is it safe to switch from brand-name Synthroid to generic levothyroxine?

Synthroid and generic levothyroxine are considered “bio-equivalent” in terms of their mechanisms and effects. However, since thyroid replacement therapy depends on a precise individualized dose, most providers recommend sticking with one specific drug and manufacturer to ensure consistent results.

Why do I need to wait before taking calcium or iron supplements?

It is recommended to wait at least 4 hours after your Synthroid dose to take calcium and iron supplements. These minerals bind to synthetic T4 and decrease how much of the medication is absorbed in the stomach.

Does Synthroid help with weight loss?

Synthroid is not considered a weight loss drug. While it can help restore a sluggish metabolism brought on by hypothyroidism, Synthroid can lead to dangerous results for obese adults with normal thyroid function.

Can I take Synthroid at night instead of in the morning?

Yes, you can take Synthroid at night as long as your doctor approves and the dose takes place at least 3 to 4 hours after your last meal of the day. Providers stress that consistency from day to day is more important for effective Synthroid treatment than the specific time of day patients take their dose.

What are the signs that my Synthroid dose is too high?

Common signs and side effects of a Synthroid dose that’s too high include a racing heart, anxiety, sleep problems, and unexplained weight loss.

How often do I need to check my TSH levels while on Synthroid?

Most providers recommend checking TSH levels every 4 to 8 weeks until the dose is stable. After the dose has stabilized, people typically get their TSH levels checked once or twice a year.

Can I eat grapefruit or drink grapefruit juice while taking Synthroid?

Grapefruit is thought to delay the absorption of levothyroxine in the body. This is not considered a severe interaction, but something to keep in mind if your regular diet includes grapefruit.

What happens if I miss a dose of Synthroid?

If you miss a dose of Synthroid, it is advised to wait until your next dose. It is not recommended to “double dose” to make up for the missed dose.

Does Synthroid contain gluten or lactose?

Synthroid contains lactose. The drug may also contain trace amounts of gluten, which fall below the threshold for U.S. Food & Drug Administration (FDA) limitations but can still trigger symptoms for people with severe gluten sensitivity or intolerance. Talk to your doctor before taking Synthroid if you have celiac disease, gluten sensitivity, or lactose intolerance.

Can Synthroid cause heart palpitations or anxiety?

Yes, Synthroid can cause heart palpitations and anxiety. These are common side effects when the drug’s dose is too high and may be indicative of the medication causing hyperthyroidism, or an overactive thyroid. 

Is Synthroid used to treat thyroid cancer?

Yes, Synthroid can be used to treat thyrotropin-dependent, well-differentiated thyroid cancer. It is prescribed as an adjunct to surgery and radiation for patients with this type of cancer.

Is hydroxyzine a benzo like Xanax?

No, hydroxyzine is not in the benzodiazepine drug glass like Xanax and other similar anxiety medications. Both hydroxyzine and Xanax can treat anxiety, but do so using different mechanisms. Unlike Xanax, hydroxyzine is not considered addictive.

Does hydroxyzine work immediately for panic attacks?

Hydroxyzine typically begins working within 30 to 60 minutes. This is a slower response compared to sublingual benzodiazepine drugs, but can prevent panic and manage building anxiety when an attack occurs.

What is the difference between hydroxyzine pamoate (Vistaril) and hydroxyzine HCL (Atarax)?

Both Vistaril and Atarax are brand name versions of hydroxyzine. The primary difference is form and purpose. Vistaril often comes in capsules and is used to treat anxiety. Atarax typically comes in an oral tablet or syrup, and is primarily used to manage skin conditions. 

Can I take hydroxyzine every night for sleep?

Although hydroxyzine is not considered addictive, your body may develop a tolerance to the effects. This means taking the drug every night may lose its effectiveness over time. Short-term use is generally recommended.

Is hydroxyzine addictive or habit-forming?

No, hydroxyzine is not considered addictive or habit-forming. There is no “high” effect from taking the drug, and current research does not suggest physical addiction occurs. 

Does hydroxyzine cause weight gain?

Weight gain is not a common side effect of hydroxyzine. That said, some people who take the drug experience an increase in appetite that leads to more eating and weight gain. 

Can I drink alcohol while taking hydroxyzine?

No, it is generally advised not to drink alcohol while taking hydroxyzine. This can create a dangerous sedative combination with life-threatening health risks.

Is hydroxyzine safe to take during pregnancy?

Standard guidelines recommend avoiding hydroxyzine during the first trimester of pregnancy. Talk to your OB-GYN about alternatives to hydroxyzine you can take during this period.

Why does hydroxyzine make me feel so tired the next day?

Hydroxyzine has significant sedating effects and the drug remains in your system for several hours. This can create a “hangover” effect marked by grogginess and confusion after waking up in the morning – especially for patients who take high doses right before bed.

Does hydroxyzine affect heart rhythm?

In rare cases, hydroxyzine can affect heart rhythm and cause QT prolongation. Most doctors avoid prescribing hydroxyzine to patients with preexisting heart rhythm conditions. 

Can I take hydroxyzine with Benadryl or Zyrtec?

It is generally not advised to mix hydroxyzine with over-the-counter allergy medication, as this can increase the risk of both side effects and overdose.

Does hydroxyzine help with nausea?

Yes, hydroxyzine is sometimes prescribed off-label to manage nausea and vomiting. This is particularly common for treating motion sickness and managing post-operative recovery.

Can hydroxyzine cause memory loss or “brain fog”?

Yes, hydroxyzine can cause memory loss and brain fog. Like other first-generation antihistamines, hydroxyzine crosses the blood-brain barrier, affects the central nervous system, and causes sedation. 

For this reason, the drug is associated with more memory loss and brain fog than second-generation antihistamines that don’t cross the blood-brain barrier.

How long does hydroxyzine stay in your system?

Hydroxyzine typically remains in the body for 4 to 5 days after the most recent dose. However, its strongest anti-anxiety effects wear off in about 4 to 6 hours.

Is hydroxyzine used for itching or anxiety?

Yes, hydroxyzine is FDA-approved to treat allergic itching and manage anxiety. However, doctors may prescribe different forms of the medication and dosages for each condition.

Can I drive after taking hydroxyzine?

Yes, you can drive after taking hydroxyzine, but it is advised to wait until after all of the drug’s drowsiness-inducing effects have worn off.

What is the difference between NP Thyroid and Synthroid? 

NP Thyroid is a natural product made from animal thyroid glands and contains both T3 and T4 hormones. Synthroid (levothyroxine) is a synthetic, lab-made version containing only the T4 hormone, which the body can then convert to T3.

Is NP Thyroid FDA-approved? 

Most desiccated thyroid products, including NP Thyroid, are not FDA-approved. They are considered unapproved drugs by the FDA, though they are legal to prescribe.

Does NP Thyroid contain both T3 and T4 hormones? 

Yes. NP Thyroid contains a natural combination of levothyroxine (T4) and liothyronine (T3).

Can I take NP Thyroid with coffee or breakfast? 

No, you should wait to eat or drink anything at least 30 to 60 minutes after your dose of NP Thyroid. It’s recommended to take it on an empty stomach as food can affect absorption of the medication.

Does NP Thyroid help with weight loss? 

It’s possible NP Thyroid may lead to weight loss if your thyroid levels were previously low and your metabolism normalizes. However, it should never be used specifically as a weight loss drug. Taking NP Thyroid with weight loss medications can be life-threatening.

Is NP Thyroid gluten-free? 

Yes, NP Thyroid is gluten-free. The medication contains no gluten or dyes.

Can I switch from Armour Thyroid to NP Thyroid directly? 

Armour Thyroid and NP Thyroid are both natural desiccated thyroid products containing T3 and T4, but they have different inactive ingredients (fillers). It’s recommended to consult your doctor before switching between these prescription medications, as your body may respond differently to each brand.

Does NP Thyroid cause hair loss? 

Yes, partial hair loss is a possible side effect of NP Thyroid, especially during the first few months of treatment. This is usually temporary and often resolves as the body adjusts to the medication.

Why do I feel “jittery” or anxious after taking NP Thyroid? 

Feeling jittery, anxious, or having shaky hands may be signs that your thyroid hormone levels are too high. If you experience this on NP Thyroid, contact your healthcare provider, as your dose may need to be lowered.

Is NP Thyroid safe to take during pregnancy? 

It is not known how NP Thyroid can affect a fetus or a pregnant person. Tell your provider if you are pregnant or planning to become pregnant, as thyroid levels may need more regular monitoring during pregnancy. 

Does NP Thyroid contain pork? 

Yes. NP Thyroid is derived from natural desiccated porcine (pig) thyroid glands.

Does NP Thyroid affect my TSH levels differently than synthetic thyroid? 

Because NP Thyroid contains both T3 and T4, it may affect TSH levels differently than synthetic thyroid.  Your doctor can help you interpret your lab results.