Gemtesa (vibegron) is a prescription drug that’s used to treat overactive bladder. The drug comes as an oral tablet that’s usually taken once per day.

Doctors prescribe Gemtesa for the treatment of overactive bladder in adults with the following symptoms:

The active ingredient in Gemtesa is vibegron.

Gemtesa belongs to a group of drugs called beta-3 adrenergic agonists.

This article describes the dosage of Gemtesa, as well as its strength and how to take it. To learn more about Gemtesa, see this in-depth article.

This section describes the usual dosage of Gemtesa. Keep reading to learn more.

What is Gemtesa’s form?

Gemtesa comes as a tablet that you swallow.

What strength does Gemtesa come in?

Gemtesa comes in one strength: 75 milligrams (mg).

What is the usual dosage of Gemtesa?

The information below describes the common dosage that’s used or recommended. But be sure to take the dosage your doctor prescribes for you. They’ll determine the best dosage to fit your needs.

Dosage for overactive bladder

The dosage of Gemtesa you’ll take to treat overactive bladder is 75 mg once daily.

Because Gemtesa only has one strength and dosage, 75 mg per day is also considered the maximum dosage.

Is Gemtesa used long term?

Yes, Gemtesa is usually prescribed as a long-term treatment. If you and your doctor determine that it’s safe and effective for your condition, you’ll likely take it long term.

Below are answers to some commonly asked questions about Gemtesa’s dosage.

Can you take Gemtesa twice a day?

No, Gemtesa isn’t approved for use twice per day. The maximum dosage recommended for this drug is 75 mg once per day.

Taking more than 75 mg of Gemtesa may increase your risk of side effects, such as urinary retention. For details about this and other side effects of Gemtesa, see this article.

If Gemtesa doesn’t work well to manage your condition, talk with your doctor. They can recommend another overactive bladder medication for your condition.

When is the best time to take Gemtesa?

The best time of day to take Gemtesa depends on what fits best with your schedule and lifestyle. You’ll take your dose of Gemtesa once per day. It works just as well if you take it in the morning, afternoon, or evening.

Taking it around the same time each day will help keep steady levels of the medication in your body. In turn, this helps Gemtesa work most effectively to treat your condition.

If you have questions about the best time to take Gemtesa, talk with your pharmacist or doctor. They may have recommendations based on the timing of other medications you may take.

How long does it take for Gemtesa to start working?

Gemtesa starts working after your first dose, but it may take a few weeks before you notice your symptoms improving. In studies of the drug, most people saw their symptoms improve within 12 weeks.

If you have more questions about how long it might take for your symptoms to improve, talk with your doctor.

You’ll take Gemtesa once per day. You can take it with or without food. Try to take it around the same time each day.

Gemtesa comes as a tablet that you swallow. You may swallow it whole, or you may crush it.

If you crush the tablet, you can mix the crushed tablet with a tablespoon of applesauce and swallow them together. Take a drink of water after consuming the crushed tablet to help make sure you swallow all of it.

For information on the expiration, storage, and disposal of Gemtesa, see this article.

Accessible drug containers and labels

Some pharmacies provide medication labels that:

  • have large print or use braille
  • feature a code you can scan with a smartphone to change the text to audio

Your doctor or pharmacist may be able to recommend pharmacies that offer these accessibility features if your current pharmacy doesn’t.

If you have trouble opening medication bottles, let your pharmacist know. They may be able to supply Gemtesa in an easy-open container. They may also have tips to help make it simpler to open the drug’s container.

If you miss a dose of Gemtesa, take it as soon as you remember. But if it’s almost time for your next dose, skip your missed dose and take your next dose at its regularly scheduled time.

You should not take two doses of Gemtesa at once. If you’re not sure if you should take a missed dose or skip it, talk with your doctor or pharmacist.

If you need help remembering to take your dose of Gemtesa on time, try using a medication reminder. This can include setting an alarm or downloading a reminder app on your phone.

Do not take more Gemtesa than your doctor prescribes, as this can lead to harmful effects.

What to do in case you take too much Gemtesa

Call your doctor right away if you think you’ve taken too much Gemtesa. You can also call 800-222-1222 to reach America’s Poison Centers or use its online resource. But if you have severe symptoms, immediately call 911 (or your local emergency number) or go to the nearest emergency room.

The sections above describe the usual dosage provided by the drug’s manufacturer. If your doctor recommends Gemtesa for you, they’ll prescribe the dosage that’s right for you.

Remember, you should not change your dosage of Gemtesa without your doctor’s recommendation. Only take Gemtesa exactly as prescribed. Talk with your doctor if you have questions or concerns about your current dosage.

Here are some examples of questions you may want to ask your doctor:

  • Will I need a lower dosage of Gemtesa if I have liver problems?
  • Can I take half a dose of Gemtesa if I have side effects with the full dose?
  • How does the dosing schedule of Gemtesa compare to the dosing schedule of Myrbetriq (mirabegron)?

To learn more about Gemtesa, see these articles:

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Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.