Amlodipine is a calcium channel blocker. Doctors prescribe it to lower blood pressure and prevent chest pain. People usually take it once a day.
What Is Amlodipine Used For?
- High blood pressure (hypertension)
- Chest pain from angina
- Coronary artery disease
How Does Amlodipine Work?
Amlodipine relaxes and widens your blood vessels. Blood flows more easily, your blood pressure falls, and your heart works less hard.
General Dosage Information
This is general information only. Your doctor sets the right dose for you, so follow your prescription and the label.
- Adults usually start with 5 mg once a day. Doctors can raise it to 10 mg.
- Take it at the same time each day, with or without food.
- Older adults and people with liver disease usually start with 2.5 mg.
Side Effects of Amlodipine
Common Side Effects
- Swelling of the ankles and feet
- Flushing and headache
- Dizziness
- Tiredness
- Swollen gums, with long use
Serious Side Effects
Call your doctor or get emergency help if you notice:
- Chest pain that gets worse
- Fainting
- Severe dizziness
- Yellow skin or eyes
Who Should Be Cautious?
- People with severe liver disease
- People with severe heart problems such as severe aortic stenosis
- Older adults
- Pregnant or breastfeeding women should ask their doctor
Drug Interactions
Tell your doctor and pharmacist about every medicine and supplement you take. Examples of important interactions include:
- Simvastatin: doctors limit it to 20 mg a day.
- Clarithromycin and ketoconazole: they can raise amlodipine levels.
- Other blood pressure medicines: together they can lower blood pressure too much.
- Grapefruit juice: it may raise amlodipine slightly.
Storage and Precautions
- Store it at room temperature, away from heat, light, and moisture.
- Keep it out of the reach of children.
Frequently Asked Questions
Why do my ankles swell?
It is a common effect of amlodipine. Tell your doctor if it bothers you.
Can I stop it when my pressure is normal?
No. The pressure is normal because of the medicine.
What if I miss a dose?
Take it as soon as you remember, unless it is nearly time for the next dose.
Disclaimer: This article is for information only. It is not medical advice. Please talk to your doctor about your own health.