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  • Hydrochlorothiazide

    Hydrochlorothiazide is used to treat high blood pressure. Hydrochlorothiazide is a "water pill" (diuretic) that causes you to make more urine. This helps your body get rid of extra salt and water.

  • Hydrochlorothiazide Oral

    Related Topics

    1.   See interactions with nutritional supplements and food, and how they may increase the effectiveness or reduce side effects with this medicine

    2. Hydrochlorothiazide



    Common brand names:



    This medication is used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Hydrochlorothiazide is a "water pill" (diuretic) that causes you to make more urine. This helps your body get rid of extra salt and water.

    This medication also reduces extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, or kidney disease. This can lessen symptoms such as shortness of breath or swelling in your ankles or feet.

    How to Use This Medication

    Take this medication by mouth as directed by your doctor, usually once daily in the morning with or without food. It is best to avoid taking this medication within 4 hours of your bedtime to prevent having to get up to urinate.

    The dosage is based on your medical condition and response to treatment.

    Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick.

    Cholestyramine and colestipol can decrease the absorption of hydrochlorothiazide. If you are taking either of these drugs, take them at least 4 hours before or after taking hydrochlorothiazide.

    Tell your doctor if your condition does not improve or if it worsens (for example, your blood pressure readings increase).

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