Urispas Side Effects

Generic name: flavoxate

Medically reviewed by Drugs.com. Last updated on Apr 5, 2025.

Note: This document provides detailed information about Urispas Side Effects associated with flavoxate. Some dosage forms listed on this page may not apply specifically to the brand name Urispas.

Applies to flavoxate: oral tablet.

Common side effects of Urispas

Some side effects of flavoxate 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:

More common side effects

• drowsiness
• dryness of mouth and throat

Less common or rare side effects

• blurred vision
• constipation
• difficult urination
• difficulty concentrating
• dizziness
• fast heartbeat
• headache
• increased sensitivity of eyes to light
• increased sweating
• nausea or vomiting
• nervousness
• stomach pain

Serious side effects of Urispas

Along with its needed effects, flavoxate (the active ingredient contained in Urispas) 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 as soon as possible if any of the following side effects occur while taking flavoxate:

Rare side effects

• confusion
• eye pain
• skin rash or hives
• sore throat and fever

Symptoms of overdose

• clumsiness or unsteadiness
• dizziness (severe)
• drowsiness (severe)
• fever
• flushing or redness of face
• hallucinations (seeing, hearing, or feeling things that are not there)
• shortness of breath or troubled breathing
• unusual excitement, nervousness, restlessness, or irritability

For healthcare professionals

Applies to flavoxate: oral tablet.

General adverse events

Side effects have been reported, however, there is not enough data to support an estimate of their frequency.^[Ref]

Cardiovascular

• Frequency not reported: Tachycardia, palpitation^[Ref]

Gastrointestinal

• Frequency not reported: Nausea, vomiting, dry mouth, diarrhea, dyspepsia, dysphagia^[Ref]

Ocular

• Frequency not reported: Ocular tension increased, blurred vision, eye accommodation disturbed^[Ref]

Nervous system

• Frequency not reported: Headache, drowsiness, dizziness^[Ref]

Hematologic

• Frequency not reported: Leukopenia, eosinophilia^[Ref]

Immunologic

• Frequency not reported: Hypersensitivity reaction^[Ref]

Psychiatric

• Frequency not reported: Confusion, nervousness^[Ref]

Genitourinary

• Frequency not reported: Dysuria^[Ref]

Other

• Frequency not reported: Vertigo, hyperpyrexia, fatigue^[Ref]

Dermatologic

• Frequency not reported: Urticaria, dermatoses, angioedema, erythema, rash, pruritus^[Ref]

Further information

Urispas side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer