Why is this medication prescribed?

The combination of triamterene and hydrochlorothiazide is used to treat high blood pressure and edema (fluid retention; excess fluid held in body tissues) in patients who have lower amounts of potassium in their bodies or for whom low potassium levels in the body could be dangerous. The combination of triamterene and hydrochlorothiazide is in a class of medications called diuretics ('water pills'). It causes the kidneys to get rid of unneeded water and sodium from the body into the urine, but reduces the loss of potassium.

How should this medicine be used?

The combination of triamterene and hydrochlorothiazide comes as a capsule and tablet to take by mouth. It usually is taken once a day. Take triamterene and hydrochlorothiazide at around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take triamterene and hydrochlorothiazide exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

This medication controls high blood pressure but does not cure it. Continue to take triamterene and hydrochlorothiazide even if you feel well. Do not stop taking triamterene and hydrochlorothiazide without talking to your doctor.

Other uses for this medicine

This medicine may be prescribed for other uses; ask your doctor or pharmacist for more information.

What storage conditions are needed for this medicine?

Keep this medicine in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medicine that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medicine.

In case of emergency/overdose

In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

Symptoms of overdose may include:

• increased urination
• upset stomach
• vomiting
• weakness or tiredness
• fever

What other information should I know?

Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your body's response to triamterene.

Before having any laboratory test, tell your doctor and the laboratory personnel that you are taking triamterene and hydrochlorothiazide.

Do not let anyone else take your medicine. Ask your pharmacist any questions you have about refilling your prescription.

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