{"id":1455,"date":"2026-08-21T07:32:38","date_gmt":"2026-08-21T07:32:38","guid":{"rendered":"https:\/\/drshintani.com\/wordpress\/?p=1455"},"modified":"2026-08-21T07:32:40","modified_gmt":"2026-08-21T07:32:40","slug":"4-ways-blood-pressure-medications-work-and-how-they-may-become-unnecessary","status":"publish","type":"post","link":"https:\/\/drshintani.com\/wordpress\/2026\/08\/21\/4-ways-blood-pressure-medications-work-and-how-they-may-become-unnecessary\/","title":{"rendered":"4 Ways Blood Pressure Medications Work \u2014 and How They May Become Unnecessary"},"content":{"rendered":"\n
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Of course, it’s better to control blood pressure through diet and lifestyle. But it’s worth understanding how blood pressure medications actually work \u2014 and what it means if your numbers stay high despite them.<\/p>\n\n\n\n

1. Angiotensin Medications<\/strong><\/p>\n\n\n\n

These relax blood vessels, making it easier for blood to flow and lowering pressure on artery walls.<\/p>\n\n\n\n

2. Calcium Channel Blockers<\/strong><\/p>\n\n\n\n

Medications like amlodipine also relax blood vessels, working through a different mechanism than angiotensin drugs.<\/p>\n\n\n\n

3. Diuretics<\/strong><\/p>\n\n\n\n

Medications like hydrochlorothiazide reduce blood volume, which lowers the overall pressure in the system.<\/p>\n\n\n\n

4. Beta Blockers<\/strong><\/p>\n\n\n\n

Medications like metoprolol decrease the force of heart contraction, reducing the workload on the cardiovascular system.<\/p>\n\n\n\n

When Blood Pressure Stays High<\/strong><\/p>\n\n\n\n

If blood pressure remains high despite these measures, it may indicate that arterial hardening is occurring. In these cases, cholesterol and inflammation need to be managed over time through diet, supplements, and medication as needed.<\/p>\n\n\n\n

The important thing to understand is that these medications can often become unnecessary with diet and lifestyle changes \u2014 sometimes quickly, and sometimes gradually over time.<\/p>\n\n\n\n

For a full list of foods that support healthy blood pressure, see the bonus chapter in the free eBook Health Secrets<\/em> at peacediet.org<\/a>.<\/p>\n\n\n\n

About Dr. Terry Shintani, MD, JD, MPH<\/strong><\/p>\n\n\n\n

Dr. Terry Shintani is a Harvard-trained physician and nutritionist, named a Living Treasure of Hawai’i and recipient of the U.S. Secretary of Health and Human Services Award for Excellence. He is the creator of the Peace Diet and the landmark Waianae Diet \u2014 published in the American Journal of Clinical Nutrition<\/em> and cited over 137 times \u2014 and the author of 16 books on natural health and nutrition, drawing on more than 35 years of clinical practice in Honolulu, Hawaii.<\/p>\n\n\n\n

Learn more about Dr. Shintani’s work and recognition: NLM Native Voices<\/a><\/em><\/p>\n\n\n\n

Sources:<\/strong><\/p>\n\n\n\n