In this Article

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

What should I discuss with my doctor before taking hydrochlorothiazide and triamterene (Dyazide)?

You should not use this medication if you are allergic to hydrochlorothiazide (HCTZ, HydroDiuril, Lotensin HCT, Prinzide, Zestoretic, Ziac, and others) or triamterene (Dyrenium), or if you have:

• kidney disease or are unable to urinate;
• high potassium levels (hyperkalemia);
• if you are taking diuretics similar to triamterene, such as amiloride (Midamor, Moduretic), spironolactone (Aldactone, Aldactazide); or
• if you are taking potassium supplements (unless your doctor tells you to).

To make sure you can safely take hydrochlorothiazide and triamterene, tell your doctor if you have any of these other conditions:

• diabetes;
• heart disease;
• cirrhosis or other liver disease;
• glaucoma;
• a breathing disorder;
• gout;
• lupus;
• a history of kidney stones;
• a pancreas disorder; or
• an allergy to sulfa drugs or penicillin.

FDA pregnancy category C. It is not known whether hydrochlorothiazide and triamterene will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Hydrochlorothiazide and triamterene can pass into breast milk and may harm a nursing baby. You should not breast-feed while taking hydrochlorothiazide and triamterene.

How should I take hydrochlorothiazide and triamterene (Dyazide)?

Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

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

You will need regular medical tests to be sure this medication is not causing harmful effects. Visit your doctor regularly.

This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using hydrochlorothiazide and triamterene.

If you need surgery or a blood transfusion, tell the doctor ahead of time that you are using hydrochlorothiazide and triamterene.

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, heat, and light.