About oxybutynin hydrochloride
Antimuscarinic bladder antispasmodic
Used for
- Treats overactive bladder symptoms, including urgency, frequent urination, and urge incontinence.
- May reduce bladder spasms after certain bladder procedures.
Usual adult dose
Usually 5 mg two or three times daily; doses vary by condition and response.
Usual dose in children
For children aged 5 years and older: usually 5 mg twice daily; specialist-directed dosing may vary.
Common side effects
- Dry mouth, constipation, blurred vision, or dizziness.
- Drowsiness, nausea, or difficulty emptying the bladder.
- Confusion, especially in older adults.
Important warnings
- May cause heat illness by reducing sweating.
- Use caution with urinary or stomach blockage, glaucoma, or impaired bladder emptying.
- Can cause drowsiness and blurred vision; avoid driving if affected.
- Older adults may be more sensitive to confusion and other effects.
Pregnancy
Pregnancy safety information is limited; use only when a clinician considers it necessary.
Breastfeeding
Information is limited; it may reduce milk supply or affect the infant.
Interactions
- Other medicines with anticholinergic effects can increase side effects.
- Some antifungals and antibiotics can raise oxybutynin levels.
- May interact with medicines that slow stomach emptying or affect heart rhythm.
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 It may be incomplete or out of date.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.