Amlodipine (Norvasc) is in a group of drugs called calcium channel blockers. It works by relaxing (dilating) your blood vessels, lowering blood pressure, and decreasing heart rate, which lowers the workload on the heart. It also dilates coronary arteries increasing blood flow to the heart.

Amlodipine is used to treat high blood pressure (hypertension) or chest pain (angina).

Amlodipine side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have a serious side effect such as:
  • feeling like you might pass out;

  • swelling in your hands, ankles, or feet;

  • chest pain;

  • slow, fast, or pounding heartbeats;

  • easy bruising or bleeding, unusual weakness;

  • numbness, burning, pain, or tingly feeling; or

  • jaundice (yellowing of your skin or eyes).

Less serious amlodipine side effects may include:

  • headache;

  • drowsiness, depression, nervousness;

  • dizziness, spinning sensation;

  • warmth or redness under your skin;

  • nausea, vomiting, stomach pain, loss of appetite;

  • diarrhea, constipation;

  • urinating more than usual;

  • sleep problems (insomnia);

  • strange dreams;

  • mild skin rash or itching;

  • joint or muscle pain;

  • dry mouth, thirst, increased sweating; or

  • weight changes.