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Fesoterodine Side Effects

Medically reviewed by Last updated on May 23, 2023.

Applies to fesoterodine: oral tablet extended release.

Serious side effects of Fesoterodine

Along with its needed effects, fesoterodine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking fesoterodine:

More common

Less common

Incidence not known

Other side effects of Fesoterodine

Some side effects of fesoterodine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

Incidence not known

For Healthcare Professionals

Applies to fesoterodine: oral tablet extended release.


-Most frequently reported adverse events with a frequency of 4% or greater in adult patients with overactive bladder (OAB) were dry mouth and constipation.

-Most frequently reported adverse reactions with a frequency of 2% or great in pediatric patients with neurogenic detrusor overactivity (NDO) were diarrhea, urinary tract infection (UTI), dry mouth, constipation, abdominal pain, nausea, increased weight, and headache.[Ref]


Uncommon (0.1% to 1%): Tachycardia, palpitations

Postmarketing reports: Palpitations

Frequency not reported: Electrocardiogram QT corrected interval prolongation[Ref]


Uncommon (0.1% to 1%): Rash, dry skin, pruritus

Rare (less than 0.1%): Angioedema, urticaria[Ref]


Very common (10% or more): Dry mouth (34.6%)

Common (1% to 10%): Abdominal pain, diarrhea, dyspepsia, constipation, nausea, upper abdominal pain

Uncommon (0.1% to 1%): Abdominal discomfort, flatulence, gastroesophageal reflux

Frequency not reported: Diverticulitis, irritable bowel syndrome[Ref]


Common (1% to 10%): Dysuria

Uncommon (0.1% to 1%): Urinary tract infection, urinary retention (e.g., feeling of residual urine, micturition disorder), urinary hesitation[Ref]


Uncommon (0.1% to 1%): Increased alanine aminotransferase (ALT), increased gamma glutamyltransferase (GGT)[Ref]


Postmarketing reports: Hypersensitivity reactions (e.g., angioedema with airway obstruction, face edema)[Ref]


Common (1% to 10%): Infections[Ref]


Common (1% to 10%): Back pain[Ref]

Nervous system

Common (1% to 10%): Dizziness, headache

Uncommon (0.1% to 1%): Dysgeusia, somnolence[Ref]


Common (1% to 10%): Dry eye

Uncommon (0.1% to 1%): Blurred vision[Ref]


Common (1% to 10%): Increased weight

Uncommon (0.1% to 1%): Peripheral edema, vertigo, fatigue[Ref]


Common (1% to 10%): Insomnia

Rare (0.01% to 0.1%): Confusional state[Ref]


Common (1% to 10%): Dry throat, Upper respiratory tract infection

Uncommon (0.1% to 1%): Pharyngolaryngeal pain, cough, nasal dryness[Ref]


1. (2023) "Product Information. Fesoterodine (fesoterodine)." Aspire Pharma Ltd

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. (2008) "Product Information. Toviaz (fesoterodine)." Pfizer U.S. Pharmaceuticals Group

Further information

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

Some side effects may not be reported. You may report them to the FDA.