Fesoterodine Uses, Side Effects & Warnings - Drugs.com

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# Fesoterodine

Generic name: fesoterodine [ FES-oh-TER-oh-deen ]
Brand name: Toviaz
Dosage form: oral tablet, extended release (4 mg; 8 mg)
Drug class: Urinary antispasmodics

Medically reviewed by Drugs.com on Sep 24, 2021. Written by Cerner Multum.

## What is fesoterodine?

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

Fesoterodine is also used to treat neurogenic detrusor overactivity in children at least 6 years old who weigh more than 55 pounds (25 kilograms).

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

## Warnings

Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.

## Before taking this medicine

You should not use fesoterodine if you are allergic to fesoterodine or tolterodine, or if you have:

- a blockage of the urinary tract (difficulty urinating);

- a bladder obstruction or other urination problems;

- a blockage in your stomach or intestines; or

- untreated or uncontrolled narrow-angle glaucoma.

Tell your doctor if you have ever had:

- glaucoma;

- a stomach or intestinal disorder, including severe constipation;

- liver or kidney disease; or

- myasthenia gravis (may worsen while you are taking fesoterodine).

Tell your doctor if you are pregnant or breastfeeding.

Not approved for use by anyone younger than 6 years old or anyone who weighs less than 55 pounds.

## How should I take fesoterodine?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Take fesoterodine with liquid, with or without food.

Swallow the tablet whole and do not crush, chew, or break it.

Your child's doctor may change your child's dose after the first week if:

- the child weighs more than 77 pounds (35 kilograms); and

- the child has severe kidney problems or is taking certain medicines.

Store at room temperature away from moisture and heat.

## Related/similar drugs

oxybutynin, Myrbetriq, solifenacin, tolterodine, Detrol, mirabegron, VESIcare

## What happens if I miss a dose?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

## What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

## What should I avoid while taking fesoterodine?

Fesoterodine can cause blurred vision, dizziness, and drowsiness. Avoid driving or hazardous activity until you know how fesoterodine will affect you. Your reactions could be impaired.

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

Avoid drinking alcohol or you could have increased drowsiness.

## Fesoterodine side effects

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

Fesoterodine may cause serious side effects. Call your doctor at once if you have:

- severe stomach pain or constipation;

- a weak stream of urine, or trouble emptying your bladder;

- little or no urination; or

- headache, dizziness, drowsiness.

Older adults may be more likely to have side effects such as dry mouth, constipation, upset stomach, increased urination, dizziness, or painful urination.

Common side effects of fesoterodine may include:

- painful urination;

- blurred vision;

- weight gain;

- dry mouth; or

- stomach pain, diarrhea, constipation.

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.

Fesoterodine side effects (more detail)

## Fesoterodine dosing information

Usual Adult Dose for Urinary Incontinence:

4 mg orally once a day; based on individual response and tolerability, the dose may be increased to 8 mg orally once a day
Comments:
-This drug can be taken with or without food.
-This drug should be taken with liquid and swallowed whole (not chewed, divided, or crushed).
-Full effect is usually observed between 2 and 8 weeks; therefore, it is recommended to reevaluate efficacy after 8 weeks of therapy.
Use: For overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency, and frequency

Usual Adult Dose for Urinary Frequency:

4 mg orally once a day; based on individual response and tolerability, the dose may be increased to 8 mg orally once a day
Comments:
-This drug can be taken with or without food.
-This drug should be taken with liquid and swallowed whole (not chewed, divided, or crushed).
-Full effect is usually observed between 2 and 8 weeks; therefore, it is recommended to reevaluate efficacy after 8 weeks of therapy.
Use: For overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency, and frequency

Detailed Fesoterodine dosage information

## What other drugs will affect fesoterodine?

Tell your doctor about all your current medicines. Many drugs can affect fesoterodine, especially:

- other medicine to treat overactive bladder;

- an antibiotic or antifungal medicine to treat infection;

- antiviral medicine for HIV or hepatitis C;

- bronchodilator asthma medication;

- cold or allergy medicine (Benadryl and others);

- cancer medicine;

- glaucoma medicine;

- medicine to treat Parkinson's disease; or

- medicine to treat stomach problems, motion sickness, or irritable bowel syndrome.

This list is not complete and many other drugs may affect fesoterodine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Fesoterodine drug interactions (more detail)

## Where can I get more information?

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

## More about fesoterodine

- Check interactions
- Reviews (74)
- Drug images
- Side effects
- Dosage information
- During pregnancy
- Drug class: urinary antispasmodics
- Breastfeeding
- En español

### Patient resources

- Advanced Reading

#### Other brands

Toviaz

### Professional resources

- Prescribing Information

### Related treatment guides

- Urinary Frequency
- Urinary Incontinence

## Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

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