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In this Article

• What is hydrochlorothiazide (Microzide)?
• What are the possible side effects of hydrochlorothiazide (Microzide)?
• What is the most important information I should know about hydrochlorothiazide (Microzide)?
• What should I discuss with my doctor before taking hydrochlorothiazide (Microzide)?
• How should I take hydrochlorothiazide (Microzide)?
• What happens if I miss a dose (Microzide)?
• What happens if I overdose (Microzide)?
• What should I avoid while taking hydrochlorothiazide (Microzide)?
• What other drugs will affect hydrochlorothiazide (Microzide)?
• Where can I get more information?

What should I discuss with my doctor before taking hydrochlorothiazide (Microzide)?

Do not use this medication if you are allergic to hydrochlorothiazide, or if you are unable to urinate.

Before using hydrochlorothiazide, tell your doctor if you have:

• kidney disease;
• liver disease;
• asthma or allergies;
• gout;
• diabetes; or
• an allergy to sulfa drugs.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take hydrochlorothiazide.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Hydrochlorothiazide can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take hydrochlorothiazide (Microzide)?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results from this medication.

To be sure this medication is not causing harmful effects, your blood pressure will need to be checked on a regular basis. Do not miss any scheduled appointments.

Your blood and urine may both be tested if you have been vomiting or are dehydrated.

Hydrochlorothiazide can interfere with the results of a thyroid test. Tell any doctor who treats you that you are using a thiazide diuretic.

If you are being treated for high blood pressure, keep using this medication even if you feel fine. High blood pressure often has no symptoms.

Store the tablets at room temperature away from heat, light, and moisture.