About drotaverine hydrochloride
Antispasmodic smooth-muscle relaxant
Used for
- Relief of abdominal cramps from smooth-muscle spasms
- Relief of biliary or urinary tract spasms
- Menstrual cramp relief
Usual adult dose
Commonly 40–80 mg by mouth up to three times daily; dosing varies by country and product label.
Usual dose in children
Use in children depends on age and local labeling; pediatric dosing is not well standardized.
Common side effects
- Dizziness or headache
- Nausea
- Palpitations or low blood pressure
- Allergic skin reactions
Important warnings
- May cause dizziness or low blood pressure.
- Use cautiously with severe heart, liver, or kidney disease.
- Seek assessment for severe or persistent abdominal pain.
Pregnancy
Human pregnancy data are limited; use only when a clinician considers it necessary.
Breastfeeding
Safety during breastfeeding is not well established; use only with professional guidance.
Interactions
- Levodopa: drotaverine may reduce its effect and worsen stiffness or tremor.
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 It may be incomplete or out of date.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.