About papaverine hydrochloride
Smooth muscle relaxant and vasodilator
Used for
- Relieves spasms of smooth muscle, including certain gastrointestinal, biliary, or urinary spasms.
- Sometimes used to improve blood flow in specific medical settings.
Usual adult dose
Dose and route vary by condition; injections are administered by a healthcare professional under local prescribing guidance.
Common side effects
- Flushing, sweating, or dizziness
- Nausea or abdominal discomfort
- Fast or irregular heartbeat
- Low blood pressure
Important warnings
- Injection requires healthcare-professional administration and monitoring.
- Use caution with heart rhythm disorders or impaired liver function.
- Seek urgent care for fainting, severe palpitations, or allergic symptoms.
Pregnancy
Use only when clearly needed; safety information is limited, so a clinician should assess risks and benefits.
Breastfeeding
Information is limited; use only after a clinician weighs potential benefits and risks.
Interactions
- Levodopa: papaverine may reduce its effect.
- Other blood-pressure-lowering medicines may increase dizziness or low blood pressure.
- Medicines affecting heart rhythm may increase concern about irregular heartbeat.
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 It may be incomplete or out of date.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.