About nifedipine
Long-acting calcium channel blocker
Used for
- High blood pressure
- Angina (chest pain)
Usual adult dose
Usually 30–60 mg once daily; dose depends on the condition and response.
Common side effects
- Headache
- Flushing
- Ankle swelling
- Dizziness
Important warnings
- Swallow tablets whole; do not crush or chew.
- Do not stop suddenly without medical guidance.
- Seek urgent care for worsening chest pain or fainting.
- Avoid grapefruit and grapefruit juice.
Pregnancy
May be used during pregnancy when clinically appropriate; safety depends on individual circumstances.
Breastfeeding
Nifedipine passes into breast milk in small amounts and is generally considered compatible with breastfeeding.
Interactions
- Grapefruit can increase nifedipine levels.
- Some antibiotics and antifungals can increase its effects.
- Rifampicin can reduce its effects.
- Other blood-pressure medicines may increase dizziness or low blood pressure.
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 It may be incomplete or out of date.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.