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What should I discuss with my doctor before taking bendroflumethiazide and nadolol (Corzide 40/5, Corzide 80/5)?

You should not use this medication if you are allergic to bendroflumethiazide or nadolol, or if you have:

• asthma;
• severe or uncontrolled heart failure;
• a serious heart condition such as "sick sinus syndrome" or "AV block" (2nd or 3rd degree); or
• if you are unable to urinate.

If you have certain conditions, you may need a dose adjustment or special tests to safely take this medication. Before using bendroflumethiazide and nadolol, tell your doctor if you have:

• congestive heart failure;
• kidney disease;
• liver disease (or cirrhosis);
• bronchospastic lung disease;
• a thyroid disorder;
• lupus;
• gout;
• diabetes; or
• if you are allergic to sulfa drugs.

FDA pregnancy category C. It is not known whether this medication is harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Bendroflumethiazide and nadolol 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 bendroflumethiazide and nadolol (Corzide 40/5, Corzide 80/5)?

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.

You may take this medicine with or without food.

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

Do not stop using bendroflumethiazide and nadolol suddenly, or you could have a serious or life-threatening heart problem. Talk to your doctor about how to avoid withdrawal symptoms when stopping the medication.

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

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

If you are diabetic, check your blood sugar carefully. Using nadolol can make it harder for you to tell when you have low blood sugar. Your insulin or diabetic medication needs may change while you are taking bendroflumethiazide and nadolol. Talk with your doctor before changing any doses.

This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using bendroflumethiazide and nadolol.

If you need to have any type of surgery, tell the surgeon ahead of time that you are using bendroflumethiazide and nadolol. You may need to stop using the medicine for a short time.

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 this medication in a tightly closed container at room temperature, away from heat and moisture.

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