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Amlodipine, hydrochlorothiazide, and valsartan

Generic Name: amlodipine, hydrochlorothiazide, and valsartan (am LOE di peen, HYE droe klor oh THYE a zide, val SAR tan)
Brand Name: Exforge HCT

Medically reviewed by Drugs.com on Jul 11, 2019 – Written by Cerner Multum

What is amlodipine, hydrochlorothiazide, and valsartan?

Amlodipine is a calcium channel blocker. Hydrochlorothiazide is a thiazide diuretic (water pill). Valsartan is an angiotensin II receptor antagonist.

Amlodipine, hydrochlorothiazide, and valsartan is a combination medicine used to treat high blood pressure (hypertension).

Amlodipine, hydrochlorothiazide, and valsartan is usually given after other treatments have failed.

Amlodipine, hydrochlorothiazide, and valsartan may also be used for purposes not listed in this medication guide.

Important Information

You should not take this medicine if you are allergic to sulfa drugs, or if you are unable to urinate.

Do not use if you are pregnant. If you become pregnant, stop taking this medicine and tell your doctor right away.

If you have diabetes, do not use amlodipine, hydrochlorothiazide, and valsartan together with any medication that contains aliskiren (a blood pressure medicine).

Before taking this medicine

You should not use this medicine if you are allergic to amlodipine, hydrochlorothiazide, or valsartan, or if:

  • you are allergic to any sulfa drug; or

  • you are unable to urinate.

If you have diabetes, do not use amlodipine, hydrochlorothiazide, and valsartan together with any medication that contains aliskiren (a blood pressure medicine).

You may also need to avoid taking amlodipine, hydrochlorothiazide, and valsartan with aliskiren if you have kidney disease.

Tell your doctor if you have ever had:

  • heart problems;

  • an electrolyte imbalance (such as low levels of potassium or magnesium in your blood);

  • high blood levels of calcium;

  • kidney disease (or if you are on dialysis);

  • liver disease;

  • glaucoma;

  • gout, or increased uric acid in your blood;

  • lupus;

  • gallstones; or

  • a penicillin allergy.

Do not use if you are pregnant. Stop using the medicine and tell your doctor right away if you become pregnant. Amlodipine, hydrochlorothiazide, and valsartan can cause injury or death to the unborn baby if you take the medicine during your second or third trimester.

You should not breastfeed while using amlodipine, hydrochlorothiazide, and valsartan.

How should I take amlodipine, hydrochlorothiazide, and valsartan?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

You may take this medicine with or without food.

Your chest pain may become worse when you first start taking this medicine or when your dose is increased. Call your doctor if your chest pain is severe or ongoing.

Your blood pressure will need to be checked often.

Call your doctor if you are sick with vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking amlodipine, hydrochlorothiazide, and valsartan. This can lead to very low blood pressure, a serious electrolyte imbalance, or kidney failure.

Drink plenty of water each day while you are taking this medicine.

If you need surgery or dental work, tell the surgeon or dentist ahead of time that you are using this medicine.

It may take up to 2 weeks before your blood pressure improves. Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking amlodipine, hydrochlorothiazide, and valsartan?

Do not use potassium supplements or salt substitutes, unless your doctor has told you to.

Drinking alcohol with this medicine can cause side effects.

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

amlodipine, hydrochlorothiazide, and valsartan side effects

Get emergency medical help if you have 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 light-headed feeling, like you might pass out;

  • an unusual skin rash;

  • blurred vision, tunnel vision, eye pain, or seeing halos around lights;

  • high or low potassium levels--leg cramps, nausea, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling;

  • kidney problems--little or no urination, swelling in your feet or ankles, feeling tired or short of breath;

  • low magnesium level--dizziness, feeling jittery, muscle cramps, muscle spasms, cough or choking feeling; or

  • low sodium level --headache, confusion, slurred speech, severe weakness, vomiting, loss of coordination, feeling unsteady.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Amlodipine, hydrochlorothiazide, and valsartan dosing information

Usual Adult Dose for Hypertension:

Initial dose: 1 tablet orally once a day (The dosage may be increased after 2 weeks of therapy. The full blood pressure lowering effect was achieved 2 weeks after being on the maximal dose)

Maximum dose: Amlodipine/hydrochlorothiazide/valsartan 10 mg/25 mg/320 mg orally once a day

Comment:
-Indicated for patients whose blood pressure is adequately controlled on amlodipine, valsartan, and hydrochlorothiazide (as single component formulations or a dual component formulation with a single component formulation). Individual dose titration with each component is recommended before administering the fixed dose combination.

What other drugs will affect amlodipine, hydrochlorothiazide, and valsartan?

Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.

Tell your doctor about all your current medicines. Many drugs can affect amlodipine and valsartan, especially:

This list is not complete and many other drugs may affect amlodipine, hydrochlorothiazide, and valsartan. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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