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Medications and Drugs

Brand Names: Toviaz

Generic Name: fesoterodine (Pronunciation: FES oh TER oh deen)

What is fesoterodine (Toviaz)?

Fesoterodine reduces spasms of the bladder muscles.

Fesoterodine is used to treat overactive bladder with symptoms of urinary frequency, urgency, and incontinence.

Fesoterodine may also be used for purposes not listed in this medication guide.

Toviaz 4 mg

oval, blue, imprinted with FS

Toviaz 8 mg

oval, blue, imprinted with FT

What are the possible side effects of fesoterodine (Toviaz)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using fesoterodine and call your doctor at once if you have a serious side effect such as:

  • chest pain, fast or uneven heart rate;
  • swelling of your hands or feet;
  • urinating less than usual or not at all; or
  • painful or difficult urination.

Less serious side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about fesoterodine (Toviaz)?

You should not take this medication if you are allergic to fesoterodine or tolterodine (Detrol), if you have uncontrolled glaucoma, or if you have a blockage of the urinary tract, stomach, or intestines.

Before you take fesoterodine, tell your doctor if you have glaucoma, urination problems, liver or kidney disease, myasthenia gravis, or severe constipation.

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.

Fesoterodine may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Fesoterodine can decrease perspiration and you may be more prone to heat stroke.

Drinking alcohol can increase certain side effects of fesoterodine.

There are many other drugs that can interact with fesoterodine. Tell your doctor about all medications you use. This includes prescription, over the counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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