"What are angiotensin receptor blockers (ARBs) and how do they work?
The class of drugs called angiotensin receptor blockers (ARBs), as the class name suggests, are drugs that block the action of angiotensin. Specifically, ARBs preve"...
(olmesartan medoxomil) Tablets
- When pregnancy is detected, discontinue Benicar as soon as possible.
- Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.
Olmesartan medoxomil is described chemically as 2,3-dihydroxy-2-butenyl 4(1-hydroxy-1-methylethyl)-2-propyl-1-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]imidazole5-carboxylate, cyclic 2,3-carbonate.
Its empirical formula is C29H30N6O6 and its structural formula is:
Olmesartan medoxomil is a white to light yellowish-white powder or crystalline powder with a molecular weight of 558.59. It is practically insoluble in water and sparingly soluble in methanol. Benicar is available for oral use as film-coated tablets containing 5 mg, 20 mg, or 40 mg of olmesartan medoxomil and the following inactive ingredients: hydroxypropyl cellulose, hypromellose, lactose monohydrate, low-substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, talc, titanium dioxide, and (5 mg only) yellow iron oxide.
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:
- joint or muscle pain;
- back pain;
- stomach pain, nausea, diarrhea;
- mild itching or...
What are the precautions when taking olmesartan medoxomil (Benicar)?
Before taking olmesartan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, severe loss of body water and minerals (dehydration).
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
This medication may increase your potassium levels. Before using potassium supplements or salt substitutes that contain potassium, consult...
Last reviewed on RxList: 6/27/2014
This monograph has been modified to include the generic and brand name in many instances.
Additional Benicar Information
Benicar - User Reviews
Benicar User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
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.
Get tips on handling your hypertension.