About oxybutynin
Antimuscarinic bladder antispasmodic
Used for
- Treats overactive bladder symptoms, including urgency, frequency, and leakage.
- May reduce bladder spasms in some neurological conditions.
Usual adult dose
Immediate-release oral solution: usually 5 mg two to three times daily; maximum 5 mg four times daily.
Usual dose in children
Children aged 5 years and older: usually 5 mg twice daily; may increase to three times daily if needed.
Common side effects
- Dry mouth, constipation, blurred vision, and dizziness.
- Sleepiness, confusion, or difficulty urinating.
- Reduced sweating and heat intolerance.
Important warnings
- Can worsen urinary retention, bowel blockage, or certain forms of glaucoma.
- Older adults may be more prone to confusion and falls.
- Use caution in hot weather because reduced sweating can cause overheating.
Pregnancy
Safety information is limited; use during pregnancy only when a clinician considers it necessary.
Breastfeeding
Information is limited; oxybutynin may reduce milk supply. Discuss use with a healthcare professional.
Interactions
- Other medicines with anticholinergic effects can increase side effects.
- May increase sleepiness with alcohol, sedatives, or some antihistamines.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.