Solifenacin Side Effects

Brand Names: VESIcare

Please note - some side effects for Solifenacin may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Solifenacin - for the Consumer

Solifenacin

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Solifenacin:

Blurred vision; constipation; cough; dizziness; dry eyes; dry mouth; indigestion or stomach upset; tiredness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); back pain; bloody or cloudy urine; constipation lasting 3 or more days; fast, slow, or irregular heartbeat; fever or chills; mood or mental changes (eg, confusion, depression, hallucinations); pain below the ribs; pain while urinating; severe stomach pain; unusual or severe headache; urinary retention (unable to empty the bladder).

Side Effects by Body System

Gastrointestinal

Gastrointestinal side effects have been reported the most frequently. These have included dry mouth (7.7% to 27.6%) and constipation (3.7% to 13.4%). Dyspepsia (1.4% to 3.9%), nausea (1.7% to 3.3%), abdominal pain (upper) (1.2% to 1.9%), and vomiting (0.2% to 1.1%) have also been reported.

Respiratory

Respiratory side effects have included cough (0.2% to 1.1%).

Psychiatric

Psychiatric side effects have included depression (0.8% to 1.2%). Confusion and hallucinations have been reported during postmarketing experience.

Ocular

Ocular side effects have included blurred vision (3.8% to 5.9%) and dry eyes (0.3 to 1.6%). Anticholinergic side effects including fixed and dilated pupils have been reported in patients with chronic use of or at doses higher than the maximum recommended dose.

Nervous system

Nervous system side effects have included dizziness (1.8% to 1.9%) and tremors. Headache has been reported during postmarketing experience.

Genitourinary

Genitourinary side effects have included urinary tract infections (2.8% to 4.8%) and urinary retention (1.4%).

General

In general, the most frequently reported side effects have included dry mouth and constipation and the incidence of these side effects was higher in 10 mg compared to 5 mg dose group. In a four 12-week double-blind clinical trial, there were three intestinal serious side effects in patients, all treated with 10 mg. The overall rate of serious side effects was 2%. Compared to twelve weeks of therapy, the incidence and severity of side effects were similar in patients who remained on therapy for up to 12 months. The most frequent reason for discontinuation due to a side effect was dry mouth (1.5%).

Cardiovascular

A cardiac electrophysiologic study evaluating the QT interval at the time of peak plasma concentrations, following 10 and 30 mg solifenacin doses, has reported a QT prolongation effect. The effect appeared greater with the highest solifenacin dosage, although the effect did not appear as large as that of the positive control moxifloxacin at its therapeutic dose.

Cardiovascular side effects have included hypertension (0.5% to 1.4%). A prolonged QT interval effect has been reported during cardiac electrophysiologic studies. Torsades de Pointes have been reported during postmarketing experience.

Dermatologic

Dermatologic side effects have included dry skin.

Immunologic

Immunologic side effects have included infections. These have included influenza (0.9% to 2.2%) and pharyngitis (0.3% to 1.1%).

Metabolic

Metabolic side effects have included heat prostration with the use of anticholinergic drugs, similar to solifenacin, in hot environments.

Hypersensitivity

Hypersensitivity side effects including angioedema, rash, pruritus, and urticaria have been reported during postmarketing experience.

Other

Other side effects have included fatigue (1% to 2.1%) and edema of the lower limbs (0.3% to 1.1%).

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