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Fesoterodine Side Effects

Medically reviewed by Last updated on Jun 30, 2021.

In Summary

Commonly reported side effects of fesoterodine include: xerostomia. Other side effects include: constipation. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to fesoterodine: oral tablet extended release

Side effects requiring immediate medical attention

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

  • Difficulty having a bowel movement
  • dry mouth

Less common

  • Bladder pain
  • bloating or swelling of the face, arms, hands, lower legs, or feet
  • bloody or cloudy urine
  • body aches or pain
  • burning feeling while urinating
  • chills
  • cough
  • decrease in frequency of urination
  • decrease in urine volume
  • difficult or painful urination
  • difficulty in breathing
  • difficulty in passing urine (dribbling)
  • dry eyes
  • ear congestion
  • fever
  • frequent urge to urinate
  • headache
  • loss of voice
  • lower back or side pain
  • rapid weight gain
  • runny or stuffy nose
  • sneezing
  • sore throat
  • tingling of the hands or feet
  • unusual tiredness or weakness
  • unusual weight gain or loss

Incidence not known

  • Blurred vision
  • fast, irregular, pounding, or racing heartbeat or pulse

Side effects not requiring immediate medical attention

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


Very common (10% or more): Dry mouth

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

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


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


Common (1% to 10%): Dry eye

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


Common (1% to 10%): Dry throat

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


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

Nervous system

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

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


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


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

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


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

Postmarketing reports: Palpitations[Ref]


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


Common (1% to 10%): Insomnia

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


Uncommon (0.1% to 1%): Vertigo, fatigue[Ref]


1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

2. "Product Information. Toviaz (fesoterodine)." Pfizer U.S. Pharmaceuticals Group, New York, NY.

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.