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.
Give to Mayo ClinicHelp set a new world standard in care for people everywhere. Give now.
Subscribe to Housecall
Our general interest e-newsletter keeps you up to date on a wide variety of health topics.
The Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure recommends that most people try thiazide diuretics first to treat high blood pressure and heart problems related to high blood pressure.
If diuretics aren't enough to lower your blood pressure, your doctor might recommend adding medications such as calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors, angiotensin II receptor blockers or beta blockers to your blood pressure treatment.
In addition, doctors prescribe certain diuretics to prevent, treat or improve symptoms in a variety of conditions, such as:
Diuretics are generally safe, but they do have some side effects, such as increased urination and mineral loss.
Diuretics can also affect blood potassium levels. You can develop too much potassium (hyperkalemia) if you take a potassium-sparing diuretic or too little potassium (hypokalemia) if you take a thiazide diuretic.
Other possible side effects of diuretics include:
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.
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.
We comply with the HONcode standard for trustworthy health information: verify here.