Drug reference
oxybutynin
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Genitourinary (Antimuscarinic)
Mechanism of action
Exerts antispasmodic and antimuscarinic effects on smooth muscle; delays desire to void, increases bladder capacity, and decreases uninhibited contraction; decreases frequency and urgency.
Common side effects
- Asthenia
- Dry mouth
- Constipation
- Somnolence
- Nausea
Contraindications
- Hypersensitivity Gastric or urinary obstruction or retention, paralytic ileus, severe ulcerative colitis Uncontrolled narrow-angle glaucoma Relative contraindications: Myasthenia gravis, tachycardia secondary to cardiac insufficiency or thyrotoxicosis
Related conditions
Frequently asked questions
What drug class is oxybutynin?
oxybutynin belongs to: Genitourinary.
How does oxybutynin work?
Exerts antispasmodic and antimuscarinic effects on smooth muscle; delays desire to void, increases bladder capacity, and decreases uninhibited contraction; decreases frequency and urgency.
What are the common side effects of oxybutynin?
Asthenia, Dry mouth, Constipation, Somnolence, Nausea
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