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Drugs reference index «Urispas»



Generic name: Flavoxate hydrochlorideBrand names: Urispas

Why is Urispas prescribed?

Urispas prevents spasms in the urinary tract and relieves the painful or difficult urination, urinary urgency, excessive nighttime urination, pubic area pain, frequency of urination, and inability to hold urine caused by urinary tract infections. Urispas is taken in combination with antibiotics to treat the infection.

Most important fact about Urispas

Urispas can cause blurred vision and drowsiness. Be careful driving, operating machinery, or performing any activity that requires complete mental alertness until you know how you will react to Urispas.

How should you take Urispas?

Take Urispas exactly as prescribed. Urispas may make your mouth dry. Sucking on a hard candy, chewing gum, or melting bits of ice in your mouth can provide relief.

  • If you miss a dose...Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Do not take 2 doses at once.
  • Storage instructions...Store away from heat, light, and moisture.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, notify your doctor as soon as possible. Only your doctor can determine whether it is safe for you to continue taking Urispas.

  • Side effects may include:Allergic skin reactions, including hives, blurred vision and vision changes, drowsiness, dry mouth, fluttery heartbeat, headache, high body temperature, mental confusion (especially in the elderly), nausea, nervousness, painful or difficult urination, rapid heartbeat, vertigo, vomiting

Why should Urispas not be prescribed?

You should not take Urispas if you have stomach or intestinal blockage, muscle relaxation problems (especially the sphincter muscle), abdominal bleeding, or urinary tract blockage.

Special warnings about Urispas

Use Urispas cautiously if you have the eye condition known as glaucoma.

Possible food and drug interactions when taking Urispas

No interactions involving Urispas have been noted.

Special information if you are pregnant or breastfeeding

The effects of Urispas during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. Urispas may appear in breast milk and could affect a nursing infant. If Urispas is essential to your health, your doctor may advise you to stop breastfeeding until your treatment is finished.

Recommended dosage for Urispas


The usual dose of Urispas is one or two 100-milligram tablets 3 or 4 times a day.

When your symptoms have improved, your doctor may reduce the dosage.


Safety and effectiveness of Urispas in children under 12 years of age have not been established.


Any medication taken in excess can have serious consequences. If you suspect an overdose of Urispas, seek medical attention immediately.

  • Symptoms of Urispas overdose may include:Convulsions, decreased ability to sweat, (warm, red skin, dry mouth, and increased body temperature), hallucinations, increased heart rate and blood pressure, mental confusion
  • Urispas Prescribing Information (FDA)
  • Urispas MedFacts Consumer Leaflet (Wolters Kluwer)
  • Urispas Concise Consumer Information (Cerner Multum)
  • Urispas Advanced Consumer (Micromedex) - Includes Dosage Information
  • Flavoxate Prescribing Information (FDA)
  • Flavoxate Professional Patient Advice (Wolters Kluwer)

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