Flavoxate Side Effects
Not all side effects for flavoxate may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to flavoxate: oral tablet
In addition to its needed effects, some unwanted effects may be caused by flavoxate. In the event that any of these side effects do occur, they may require medical attention.
If any of the following side effects occur while taking flavoxate, check with your doctor or nurse as soon as possible:Rare
- eye pain
- skin rash or hives
- sore throat and fever
- Clumsiness or unsteadiness
- dizziness (severe)
- drowsiness (severe)
- 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
Some of the side effects that can occur with flavoxate 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:More common
- dryness of mouth and throat
- Blurred vision
- difficult urination
- difficulty concentrating
- fast heartbeat
- increased sensitivity of eyes to light
- increased sweating
- nausea or vomiting
- stomach pain
For Healthcare Professionals
Applies to flavoxate: oral tablet
Flavoxate is generally well tolerated and an estimated frequency of particular side effects is not available.
Cardiovascular side effects have included tachycardia and palpitation.
Gastrointestinal side effects have included nausea, vomiting, and dry mouth.
Ocular side effects have included increased ocular tension, blurred vision, and altered accommodation.
Nervous system side effects have included vertigo, headache, mental confusion, drowsiness, and nervousness. These effects may be exaggerated in elderly patients.
Renal side effects have included dysuria, and obstructive uropathies of the lower urinary tract.
Hypersensitivity side effects have included urticaria and other unspecified dermatoses, eosinophilia, and elevated temperature.
Hematologic side effects have been reported rarely. A case of reversible leukopenia has been reported.
More about flavoxate
- Other brands: Urispas
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