WARNINGS: This drug can cause serious (possibly fatal) harm to an unborn baby if used during pregnancy. Therefore, it is important to prevent pregnancy while taking this medication. Olmesartan (Benicar) is an oral medication used to treat high blood pressure. Learn about side effects, warnings, dosage, and more. Common Questions and Answers about Viagra and high blood pressure medication High blood pressure or hypertension, means high pressure (tension) in the arteries. Arteries are vessels that carry blood from the pumping heart to all the tissues and organs of the body. Blood pressure control is a mind-body (psycho-somatic) issue. Healthy foods, herbs and supplements are great, and controlling stress through the mind has also helped me keep my blood sugar controlled. INDICATIONS. BENICAR, BENICAR HCT, AZOR, and TRIBENZOR are prescription medicines used to lower high blood pressure (hypertension). Medicines that lower blood pressure lower the chance of having a stroke or heart attack. Losartan (Cozaar) is a drug prescribed to treat high blood pressure, reduce the risk of stroke in those with hypertension, type 2 diabetes, diabetic neuropathy and kidney disease. Side effects include chest pain, diarrhea, dizziness, fatigue, nasal congestion, UTIs, and weakness. Losartan belongs to the Statin drug class. High Blood Pressure. Hypertension, High Blood Pressure Control, Heart Palpitations, Arrhythmias, Mitral Valve Prolapse, and Blood Testing Information Benicar FDA Alerts. The FDA Alert(s) below may be specifically about Benicar or relate to a group or class of drugs which include Benicar (olmesartan). Second, many medications taken for headache can cause high blood pressure. Long term use of anti-inflammatory drugs can cause hypertension. This would include ibuprofen (ie Advil) and naproxen (Naprosyn).