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In this Article

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

What should I discuss with my healthcare provider before taking lisinopril (Zestril)?

Do not use this medication if you are allergic to lisinopril or to any other ACE inhibitor, such as benazepril (Lotensin), captopril (Capoten), fosinopril (Monopril), enalapril (Vasotec), moexipril (Univasc), perindopril (Aceon), quinapril (Accupril), ramipril (Altace), or trandolapril (Mavik).

If you have any of these other conditions, you may need a dose adjustment or special tests to safely take lisinopril:

• kidney disease (or if you are on dialysis);
• liver disease;
• heart disease or congestive heart failure;
• diabetes; or
• a connective tissue disease such as Marfan syndrome, Sjogren's syndrome, lupus, scleroderma, or rheumatoid arthritis.

FDA pregnancy category D. Do not use this medication without telling your doctor if you are pregnant or planning a pregnancy. Lisinopril could cause birth defects in the baby if you take the medication during pregnancy. Use an effective form of birth control. Stop using this medication and tell your doctor right away if you become pregnant during treatment.

It is not known whether lisinopril passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take lisinopril (Zestril)?

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.

Take each dose with a full glass of water.

Lisinopril can be taken with or without food.

Vomiting, diarrhea, or heavy sweating can cause you to become dehydrated. This can lead to very low blood pressure, electrolyte disorders, or kidney failure while you are taking lisinopril. Drink plenty of water each day while you are taking this medication.

To be sure this medication is helping your condition, your blood pressure will need to be checked on a regular basis. Your kidney or liver function may also need to be tested. Do not miss any scheduled visits to your doctor.

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

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 lisinopril at room temperature away from moisture and heat.