Amlodipine is a calcium channel blocker used mainly to treat high blood pressure (hypertension) and chest pain (angina) by relaxing blood vessels and improving blood flow.
Common side effects
These are relatively frequent:
- Swelling of ankles or feet (peripheral edema)
- Headache
- Flushing (warmth/redness in face)
- Dizziness or lightheadedness
- Fatigue
- **Palpitations (feeling heartbeat)
Less common side effects
- Nausea or stomach discomfort
- Sleepiness or unusual tiredness
- Gum swelling (gingival overgrowth, with long-term use)
- Muscle cramps
Serious side effects (seek medical help)
- Severe or sudden swelling of legs/feet
- Very low blood pressure (fainting, extreme dizziness)
- Chest pain that worsens or changes pattern
- Irregular heartbeat
- Shortness of breath or signs of heart failure (rare but important)
Important notes
- Taken once daily, usually at the same time each day
- Effects build gradually over several days to weeks
- Do not stop suddenly without medical advice
- Swelling is the most commonly reported issue and may require dose adjustment or switching medication
If you’re comparing it with something like metoprolol or you’re experiencing a specific symptom, tell me—I can help you figure out what’s typical and what needs attention.