How does nifedipine work?
Nifedipine blocks calcium from entering muscle cells in the blood vessels and heart, causing them to relax and widen. This helps lower blood pressure, reduce chest pain, and improve blood flow.
What is nifedipine used to treat?
Nifedipine is commonly prescribed for:
- High blood pressure (hypertension)
- Angina (chest pain caused by reduced blood flow to the heart)
- Raynaud’s phenomenon (to improve blood flow to the fingers and toes)
Who can take nifedipine?
Nifedipine is suitable for most adults with high blood pressure or angina, as prescribed by a doctor.
Who might not be able to take nifedipine?
Nifedipine may not be suitable if you:
- Have severe heart disease or recently had a heart attack
- Have low blood pressure (hypotension)
- Have liver disease
- Are taking certain medications that interact with calcium channel blockers
Can I take nifedipine if I’m pregnant or breastfeeding?
Nifedipine may be prescribed during pregnancy for high blood pressure but should be used under strict medical supervision. Speak to your doctor before taking it while breastfeeding.
What if I miss a dose?
If you forget a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.
How effective is nifedipine?
Nifedipine is highly effective at lowering blood pressure and managing angina when taken as prescribed.
What should I do if I take too much?
Taking too much nifedipine can cause dangerously low blood pressure, dizziness, or fainting. If you think you’ve taken too much, seek emergency medical help immediately.
What dose of nifedipine is usually taken?
- For high blood pressure: 10mg to 40mg twice daily (immediate-release) or 30mg to 90mg once daily (modified-release)
- For angina: 10mg to 20mg twice daily
Your doctor will determine the correct dose based on your condition.
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What are the side effects of nifedipine?
Common side effects include:
- Flushing or warmth in the face
- Dizziness or lightheadedness
- Swelling in the ankles or feet
- Headache
Serious side effects, such as severe dizziness, chest pain, or irregular heartbeat, require urgent medical attention.
How should I take nifedipine?
Nifedipine is taken as tablets or capsules, usually once or twice daily, depending on the formulation.
When should nifedipine be taken?
Nifedipine should be taken at the same time each day, preferably on an empty stomach.
What are the brand names for nifedipine?
Nifedipine is available as a generic medicine, but some branded versions include:
- Adalat
- Coracten
- Nifedipress
Final thoughts
Nifedipine is an effective medication for high blood pressure, angina, and circulation issues, but it should be taken exactly as prescribed. If you experience side effects, speak to your doctor or pharmacist.
