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Medications and Drugs

Brand Names: Benicar

Generic Name: olmesartan (Pronunciation: OL me SAR tan)

What is olmesartan (Benicar)?

Olmesartan is in a group of drugs called angiotensin II receptor antagonists. Olmesartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow.

Olmesartan is used to treat high blood pressure (hypertension) in adults and children who are at least 6 years old. It is sometimes given together with other blood pressure medications.

Olmesartan may also be used for purposes not listed in this medication guide.

Benicar 5 mg

round, yellow, imprinted with Sankyo, C12

What are the possible side effects of olmesartan (Benicar)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • feeling like you might pass out;
  • urinating less than usual or not at all;
  • chest pain, fast heart rate; or
  • swelling in your hands or feet.

Less serious side effects may include:

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about olmesartan (Benicar)?

You should not use this medication if you are allergic to olmesartan.

Drinking alcohol can further lower your blood pressure and may increase certain side effects of olmesartan.

Do not use potassium supplements or salt substitutes while you are taking olmesartan, unless your doctor has told you to.

Your blood pressure will need to be checked often. Visit your doctor regularly.

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.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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