Fesoterodine

Generic name: Fesoterodine
Brand names: Toviaz
Dosage form: oral tablet, extended release (4 mg; 8 mg)
Drug class: Urinary antispasmodics

Usage of 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.

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.

Before taking Fesoterodine

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.

Relate drugs

How to use Fesoterodine

Usual Adult Dose for Urinary Incontinence:

4 mg orally once a day; based on individual response and tolerability, the dose may be escalated to 8 mg orally once a dayMaximum dose: 8 mg once a dayComments:-This drug can be administered 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:

Usual Pediatric Dose for Neurogenic Bladder:

6 Years and Older:Weighing greater than 25 kg and up to 35 kg:4 mg orally once a day, the dose may be increased to 8 mg orally once a dayWeighing greater than 35 kg:4 mg orally once a day, increase the dose to 8 mg orally once a day, after one weekComments:-This drug can be taken with or without food.-This drug should be taken with liquid and swallowed whole (not chewed, divided, or crushed).Use: For the treatment of neurogenic detrusor overactivity (NDO) in pediatric patients 6 years of age and older with a body weight greater than 25 kg

Warnings

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

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.

Disclaimer

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