Flavoxate Side Effects
Some side effects of flavoxate may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to flavoxate: oral tablet
Along with its needed effects, flavoxate 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
- 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 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
- 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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