Quality CareFind out why Mayo Clinic is the right place for your health care. Make an appointment.
Meet the StaffFind a directory of doctors and departments at all Mayo Clinic campuses. Visit now.
Research and Clinical TrialsSee how Mayo Clinic research and clinical trials advance the science of medicine and improve patient care. Explore now.
Visit Our SchoolsEducators at Mayo Clinic train tomorrow’s leaders to deliver compassionate, high-value, safe patient care. Choose a degree.
Professional ServicesExplore Mayo Clinic's many resources and see jobs available for medical professionals. Get updates.
Philanthropy at Mayo ClinicYour support accelerates powerful innovations in patient care, research and education. Give today.
Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations.
Subscribe to Housecall
Our general interest e-newsletter keeps you up to date on a wide variety of health topics.
Angiotensin II receptor blockers treat high blood pressure. Find out when your doctor may prescribe them.
Angiotensin II receptor blockers help relax your veins and arteries to lower your blood pressure and make it easier for your heart to pump blood.
Angiotensin is a chemical in your body that narrows your blood vessels. This narrowing can increase your blood pressure and force your heart to work harder.
Angiotensin II receptor blockers block the action of angiotensin II. As a result, the medication allows your veins and arteries to widen (dilate).
Several angiotensin II receptor blockers are available. Which one is best for you depends on your health and the condition being treated.
Examples of angiotensin II receptor blockers include:
In addition to treating high blood pressure, angiotensin II receptor blockers may prevent, treat or improve symptoms in people who have:
Few people have side effects when taking angiotensin II receptor blockers. Possible side effects can include:
Some people taking the angiotensin II receptor blocker olmesartan have reported intestinal problems. Talk to your doctor if you develop severe diarrhea or lose a lot of weight while taking this medication.
Don't take angiotensin II receptor blockers if you're pregnant or plan to become pregnant because the drugs can harm a developing fetus.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic.
Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. Mayo Clinic does not endorse any of the third party products and services advertised.
A single copy of these materials may be reprinted for noncommercial personal use only. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research.