Fesoterodine Side Effects
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
In addition to its needed effects, some unwanted effects may be caused by fesoterodine. In the event that any of these side effects do occur, they may require medical attention.
You should check with your doctor immediately if any of these side effects occur when taking fesoterodine:More common
- Difficulty having a bowel movement (stool)
- dry mouth
- Bladder pain
- bloating or swelling of the face, arms, hands, lower legs, or feet
- bloody or cloudy urine
- body aches or pain
- burning while urinating
- decrease in frequency of urination
- decrease in urine volume
- difficult, burning, or painful urination
- difficulty in breathing
- difficulty in passing urine (dribbling)
- dry eyes
- ear congestion
- frequent urge to urinate
- loss of voice
- lower back or side pain
- nasal congestion
- rapid weight gain
- runny nose
- sore throat
- tingling of the hands or feet
- unusual tiredness or weakness
- unusual weight gain or loss
Some of the side effects that can occur with fesoterodine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:Less common
- Acid or sour stomach
- back pain
- dry throat
- stomach discomfort, upset, or pain
- trouble sleeping
- unable to sleep
- upper abdominal pain
For Healthcare Professionals
Applies to fesoterodine: oral tablet extended release
Most adverse events of dry mouth and constipation were mild to moderate in intensity.[Ref]
Gastrointestinal side effects at daily doses of 4 mg and 8 mg, respectively, have included dry mouth (18.8% vs. 34.6%), constipation (4.2% vs. 6.0%), dyspepsia (1.6% vs. 2.3%), nausea (0.7% vs. 1.9%), and upper abdominal pain (1.1% vs. 0.5%).[Ref]
Immunologic side effects at daily doses of 4 mg and 8 mg, respectively, have included urinary tract infection (3.2% vs. 4.2%) and upper respiratory tract infection (2.5% vs. 1.8%).[Ref]
Ocular side effects at daily doses of 4 mg and 8 mg, respectively, have included dry eyes (1.4% vs. 3.7%).[Ref]
Genitourinary side effects at daily doses of 4 mg and 8 mg, respectively, have included dysuria (1.3% vs. 1.6%) and urinary retention (1.1% vs. 1.4%).[Ref]
Respiratory side effects at daily doses of 4 mg and 8 mg, respectively, have included cough (1.6% vs. 0.9%) and dry throat (0.9% vs. 2.3%).[Ref]
General side effects at daily doses of 4 mg and 8 mg, respectively, have included peripheral edema (0.7% vs. 1.2%).[Ref]
Musculoskeletal side effects at daily doses of 4 mg and 8 mg, respectively, have included back pain (2.0% vs. 0.9%).[Ref]
Nervous system side effects at daily doses of 4 mg and 8 mg, respectively, have included insomnia (1.3% vs. 0.4%).
Hepatic side effects at daily doses of 4 mg and 8 mg, respectively, have included increases in alanine aminotransferase (ALT, 0.5% vs. 1.2%) and gamma glutamyltransferase (GGT, 0.4% vs. 1.2%).
Dermatologic side effects at daily doses of 4 mg and 8 mg, respectively, have included rash (0.7% vs. 1.1%). Postmarketing dermatologic side effects have included pruritus and urticaria.[Ref]
The increase in heart rate correlates with increasing dose. In one study, the mean increase in heart rate associated with a dose of 4 mg/day and 28 mg/day of fesoterodine was 3 beats/minute and 11 beats/minute, respectively, compared to placebo.[Ref]
Cardiovascular side effects have included increases in heart rate.[Ref]
Angioedema of the face, lips, tongue, and/or larynx has been reported with fesoterodine. In some cases angioedema occurred after the first dose. Angioedema associated with upper airway swelling may be life-threatening. If involvement of the tongue, hypopharynx, or larynx occurs, fesoterodine should be promptly discontinued and appropriate therapy and/or measures to ensure a patent airway should be promptly provided.
1. "Product Information. Toviaz (fesoterodine)." Pfizer U.S. Pharmaceuticals Group, New York, NY.
Not all side effects for fesoterodine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about fesoterodine
- Other brands: Toviaz
Related treatment guides
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