How It Works
To understand how Brenzavvy helps manage diabetes, consider how the kidneys naturally process glucose. Normally, the kidneys filter sugar out of the blood but then reabsorb almost all of it, returning it to the bloodstream for energy. The kidneys utilize a protein called SGLT2 to complete this process.
Brenzavvy works by:
- Blocking reabsorption: The medication binds to SGLT2 proteins in the kidneys, preventing their activity.
- Excretion through urine: Because the kidneys no longer pull the sugar back into the bloodstream, the excess glucose is flushed out of the body when you pee.
- Sodium management: Brenzavvy also helps the body remove a small amount of salt and water, which can lead to a slight reduction in systolic blood pressure.
By lowering blood sugar, Brenzavvy helps reduce the long-term risks associated with high blood sugar.
| Quick Facts | |
|---|---|
| Common Brands | Brenzavvy |
| Drug Class | Sodium-glucose co-transporter 2 (SGLT2) inhibitor |
| Generic Status | No generic version available |
| Availability | Prescription only |
Dosing
Brenzavvy typically requires one dose per day.
- Standard dose: The typical dosage is one 20 mg tablet taken once daily.
- Timing: It’s generally recommended to take Brenzavvy in the morning. Taking it later in the day may lead to more frequent nighttime bathroom trips.
- Administration: Providers recommend that the tablet be swallowed whole with water. It is generally accepted that you can take Brenzavvy with or without food.
- Consistency: Standard guidelines recommend taking the medication at the same time each day to maintain consistent levels in your body.
- Missed doses. If you miss a dose, it’s generally advised to take it as soon as you remember. If it is already the next day, providers recommend skipping the missed dose and returning to your regular schedule. Standard guidelines advise against taking two doses at once.
Your doctor will perform lab tests to assess your kidney health before you start Brenzavvy and periodically during treatment.
Note: Dosing information below is educational only. Your prescribing physician will determine your specific dose based on your individual health needs. Always follow your healthcare provider’s instructions for exact dosing.
Uses
FDA-Approved Uses
The FDA has approved Brenzavvy for glycemic control in people with type 2 diabetes. It is used as a supplement to diet and exercise.
Off-Label Uses
You may see Brenzavvy prescribed for uses that are not FDA-approved. This is a common and legal practice called off-label prescribing, where a doctor uses their clinical judgment to prescribe a drug for a different (but well-researched) purpose.
Doctors prescribe Brenzavvy for the following conditions:
- Heart failure support: While other SGLT2 inhibitors have specific approvals for heart failure, doctors may sometimes use Brenzavvy off-label for similar heart-protective benefits in diabetic patients.
- Chronic kidney disease (CKD): Providers may use this medication to help slow the progression of kidney disease in patients with mild to moderate impairment, provided their filtration rate is sufficient.
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Side Effects
Because Brenzavvy changes how sugar and water move through your body, it has a unique side effect profile compared to older diabetes drugs.
Common Side Effects
- Increased urination: You may feel the need to urinate more often or in larger amounts.
- Genital yeast infections: This side effect can affect men and women.
- Urinary tract infections (UTIs): Bacteria may grow more easily when urine sugar levels are high.
- Thirst: You may feel thirstier as your body eliminates excess fluid.
- Vaginal itching: Often related to yeast growth.
Serious Side Effects
Serious side effects are rare, but it’s important to know what to look for if they do occur. Stop taking the medication and immediately call the doctor if you experience any of the following symptoms:
- Diabetic ketoacidosis (DKA): A life-threatening condition where the blood becomes too acidic. Seek medical help if you experience nausea, stomach pain, or fruity-smelling breath, even if your blood sugar seems normal.
- Dehydration: Losing an excessive amount of fluid can lead to low blood pressure or kidney injury. Providers typically recommend watching for extreme dizziness and faintness.
- Fournier’s gangrene: A rare but severe infection of the genital area. Standard guidelines recommend seeking immediate care for pain, redness, or swelling in the genitals or the area between the genitals and rectum.
- Lower limb amputation: There is a risk of needing an amputation, often involving the toe or foot. Inspect your feet daily for sores or new pain.
Call your doctor immediately if you experience any concerning or prolonged symptoms.
Pharmacist Tips
Stay Hydrated
Because Brenzavvy works like a mild water pill, drink plenty of fluids throughout the day to prevent dizziness and protect your kidneys.
Practice Good Hygiene
To lower the risk of yeast and urinary infections, providers advise practicing good hygiene. Wear breathable cotton underwear and change out of damp clothing as soon as possible.
Check Your Feet Every Night
If you have diabetes, look for cuts, blisters, or red spots. Early treatment of foot issues is vital when taking any SGLT2 inhibitor.
Tell Your Surgeon
If you have a scheduled surgery or medical procedure, standard guidelines recommend that you inform your doctor. Stopping Brenzavvy at least three days before surgery can reduce the risk of ketoacidosis during the procedure.
Don’t Panic At Sweet-Smelling Urine
It is normal for your urine to smell different or sweet because the medication is flushing sugar out of your body.
Swallow Tablets Whole
Providers advise against cutting, crushing, or chewing Brenzavvy tablets, as this can affect how the medicine is absorbed.
Drug Interactions
Certain medications can change how Brenzavvy works or increase your risk of side effects.
Let your doctor know if you take:
- Insulin and sulfonylureas: Taking Brenzavvy with drugs like glipizide or insulin can make your blood sugar drop too low (hypoglycemia).
- Diuretics (water pills): Combining these with Brenzavvy can lead to severe dehydration and low blood pressure.
- Lithium: Brenzavvy can lower the levels of lithium in your blood, which may interfere with how well it works.
- Alcohol: Drinking heavily while on Brenzavvy can increase your risk of ketoacidosis and low blood sugar.
Always give your doctor and pharmacist a complete list of all your medications, vitamins, and supplements to check for potential interactions.
FAQs
Can Brenzavvy cause yeast infections or urinary tract infections (UTIs)?
Yes. Because Brenzavvy increases the sugar in your urine, it creates an environment where yeast and bacteria can grow more easily. Practice good hygiene and wear breathable clothing to help reduce this risk.
Will taking this daily pill help me lose weight?
Many patients experience modest weight loss (often a few pounds) because the sugar flushed from the body in the urine represents calories lost. However, it is not an official weight-loss medication.
Does Brenzavvy protect my heart and kidneys?
While other drugs in this class (like Jardiance) are approved by the FDA for heart and kidney protection, some clinical data suggests that Brenzavvy may offer similar benefits. However, its primary approved use is for blood sugar control.
Do I need to take Brenzavvy in the morning, and should I take it with food?
Taking it in the morning is typically recommended so that the increased need to urinate happens during the day. You can take it with or without food.
Why did my doctor tell me I must stop taking this medication three days before a surgery?
Stopping Brenzavvy three days before surgery helps prevent a dangerous buildup of acid in the blood called ketoacidosis.
Can I safely take this with my blood pressure medications or water pills?
Do this only under a doctor’s supervision. Because Brenzavvy already has a mild diuretic (water-removing) effect, combining it with other blood pressure drugs can sometimes cause your pressure to drop too low.
Can I safely drink alcohol while taking Brenzavvy?
Standard guidelines recommend limiting alcohol. Alcohol can interfere with blood sugar levels and increase the risk of dehydration and ketoacidosis.
Is it safe to use this medication if I have chronic kidney disease?
It depends on the severity. Brenzavvy is generally safe for people with mild to moderate kidney disease, but it is not for those with severe impairment or those on dialysis. Your doctor will monitor your kidney function with blood tests.
Can I take Brenzavvy if I have type 1 diabetes instead of type 2?
No. Brenzavvy is only approved for type 2 diabetes. Using it for type 1 diabetes can lead to life-threatening complications.
Why does my urine smell sweet since starting this pill?
This is a direct result of the medication working. You are excreting excess glucose (sugar) through your urine, which can give it a sweet or unusual odor.
Can I cut, crush, or chew the tablet if I have trouble swallowing pills?
No. Standard guidelines suggest that you swallow the tablet whole to ensure the medicine is absorbed as designed.
Is Brenzavvy safe to take during pregnancy or while breastfeeding?
Standard guidelines suggest avoiding Brenzavvy during the second and third trimesters of pregnancy, as it may affect the development of the unborn baby’s kidneys. Talk to your doctor if you are pregnant, plan to become pregnant, or nursing.
Why is Brenzavvy cheaper than other similar medications?
Brenzavvy was brought to market with a unique transparent pricing model. The manufacturer designed it as an affordable alternative to other brand-name SGLT2 inhibitors while delivering similar blood sugar management results.
Comparable Medications
Jardiance, Invokana, Metformin, Ozempic, or Glipizide?
Below are some potential alternatives to Brenzavvy:
Empagliflozin
A similar SGLT2 inhibitor. It has more specific FDA approvals for heart failure and kidney protection, but Brenzavvy may be more affordable.
Canagliflozin
Another drug in the same class as Brenzavvy. Both work through the kidneys, but Invokana has multiple dosing strengths while Brenzavvy uses a single 20 mg tablet.
Metformin
From $24.99
The standard first-line treatment for type 2 diabetes. It works in the liver, while Brenzavvy works through the kidneys. They are commonly prescribed to be taken together.
Semaglutide
An injectable medication that slows digestion and reduces appetite. It typically leads to more weight loss than Brenzavvy.
Glipizide
From $24.99
An older medication that triggers the pancreas to make more insulin. Unlike Brenzavvy, it is more likely to cause weight gain.
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Important: 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 here.