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Micardis HCT

Generic Name: hydrochlorothiazide and telmisartan (HYE droe KLOR oh THYE a zide and TEL mi SAR tan)
Brand Name: Micardis HCT

Medically reviewed on Sep 6, 2018

What is Micardis HCT?

Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

Telmisartan is an angiotensin II receptor antagonist. Telmisartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow.

Micardis HCT is a combination medicine is used to treat high blood pressure (hypertension). Lowering blood pressure may lower your risk of a stroke or heart attack.

Micardis HCT may also be used for purposes not listed in this medication guide.

Important Information

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

You should not use this medicine if you are unable to urinate.

If you have diabetes, do not use Micardis HCT 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 hydrochlorothiazide or telmisartan, if you are unable to urinate.

If you have diabetes, do not use Micardis HCT together with any medication that contains aliskiren (a blood pressure medicine).

You may also need to avoid taking Micardis HCT with aliskiren if you have kidney disease.

Tell your doctor if you have ever had:

Do not use if you are pregnant. If you become pregnant, stop taking this medicine and tell your doctor right away. Micardis HCT can cause injury or death to the unborn baby if you take the medicine during your second or third trimester.

You should not breast-feed while using this medicine.

How should I take Micardis HCT?

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 Micardis HCT with or without food.

Your blood pressure will need to be checked often.

Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking this medication, which can lead to severely low blood pressure or a serious electrolyte imbalance.

If you need surgery or medical tests, tell the surgeon ahead of time that you are using Micardis HCT.

It may take up to 4 weeks for this medication to control your blood pressure. 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 medicine for the rest of your life.

Store at room temperature away from moisture and heat. Keep each tablet in its blister pack until you are ready to take it. Gently push the tablet through the foil to remove it.

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.

Overdose symptoms may include fast or slow heart rate, feeling light-headed, or fainting.

What should I avoid while taking Micardis HCT?

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

Drinking alcohol can further lower your blood pressure and may cause side effects.

Avoid becoming overheated or dehydrated during exercise, in hot weather, or by not drinking enough fluids.

Micardis HCT 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.

In rare cases, Micardis HCT can cause a condition that results in the breakdown of skeletal muscle tissue, leading to kidney failure. Call your doctor right away if you have unexplained muscle pain, tenderness, or weakness especially if you also have fever, unusual tiredness, or dark colored urine.

Also call your doctor at once if you have:

  • eye pain, vision problems;

  • a light-headed feeling, like you might pass out;

  • jaundice (yellowing of the skin or eyes);

  • swelling in your hands or feet, unusual weight gain;

  • easy bruising, unusual bleeding; or

  • signs of an electrolyte imbalance--dry mouth, increased thirst, drowsiness, confusion, feeling restless, vomiting, muscle pain or weakness, lack of energy, fast heartbeats, little or no urine, or a seizure.

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.

See also: Side effects (in more detail)

What other drugs will affect Micardis HCT?

If you also take cholestyramine or colestipol, avoid taking these medications within 4 hours before or 4 hours after you take Micardis HCT.

Tell your doctor about all your other medicines, especially:

This list is not complete. Other drugs may affect Micardis HCT, including 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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