hypertension.md Blog
Evidence-based articles about hypertension, reviewed by our editorial team.
The Silent Killer: Understanding and Managing High Blood Pressure
Nearly half of American adults have hypertension, but most don't feel it. Understanding your numbers and treatment options can prevent heart attack, stroke, and kidney failure.
The DASH Diet for High Blood Pressure: A Complete 2026 Guide
hypertension.md explains the DASH diet — the most evidence-backed dietary approach to lowering blood pressure without medication.
Blood Pressure Medications Compared: Which One Is Right for You in 2026?
hypertension.md compares every class of blood pressure medication — ACE inhibitors, ARBs, calcium channel blockers, and more — with honest pros, cons, and side effects.
Home Blood Pressure Monitoring: How to Measure Accurately and What Your Numbers Mean
hypertension.md teaches you how to take accurate home blood pressure readings and interpret the results — the skill your doctor wishes you had.
How Exercise Lowers Blood Pressure: The Best Workouts for Hypertension in 2026
hypertension.md reviews the latest evidence on exercise and blood pressure — including a surprising 2023 finding about isometric exercises.
White Coat Hypertension: When Your Blood Pressure Is Only High at the Doctor's Office
hypertension.md explains white coat hypertension — why it happens, whether it needs treatment, and how to get accurate readings.
Is It Better to Take Blood Pressure Medication at Night or in the Morning?
Three large randomized trials covering more than 25,000 people found no difference in heart attacks, strokes, or deaths between bedtime and morning dosing. Take it when you will actually remember. Here is the evidence and the handful of real exceptions.
What Should You Do If Your Blood Pressure Reading Is 180 or Higher?
A reading of 180/120 or higher is a hypertensive crisis. Whether you call 911 or call your doctor depends on symptoms. Here is the decision tree, and why dropping the number fast at home is the wrong move.
Can Sleep Apnea Cause High Blood Pressure?
Yes — moderate to severe sleep apnea nearly triples the odds of developing hypertension, and it hides behind 70 to 83 percent of resistant hypertension. The evidence, the mechanism, and what CPAP actually does to your numbers.
How Much Does Losing Weight Actually Lower Blood Pressure?
Losing weight lowers systolic blood pressure about 1 mm Hg per kilogram. A 5 kg loss drops it 4.4/3.6 mm Hg. Here is what the trials and the 2025 AHA/ACC guideline show.
Why Does My Blood Pressure Vary So Much Between Readings?
Blood pressure dips 10-20% at night and surges on waking. Talking, a full bladder, or an unsupported arm add about 10 mm Hg each. How to measure and average.
Do Blood Pressure Medications Cause Erectile Dysfunction?
Thiazides and older beta-blockers are the main culprits: chlorthalidone caused ED in 17.1% vs 8.1% on placebo in TOMHS. ARBs, ACE inhibitors, and CCBs are neutral.
Is a Blood Pressure of 130/80 Actually a Problem?
130/80 is stage 1 hypertension under the 2025 AHA/ACC guideline, with about 38% higher cardiovascular risk. Most people get 3 to 6 months of lifestyle change first.
How Much Sodium Is Actually In A Low-Sodium Diet?
A low-sodium diet means under 2,300 mg of sodium daily, or under 1,500 mg with high blood pressure. That is one teaspoon of salt. Americans average 3,400 mg.
What Is Resistant Hypertension And What Causes It?
Resistant hypertension means BP above goal on 3 maxed drugs, or 4 to control it. 19.7% of treated US adults qualify. Causes, workup, and new options.
Do Potassium Supplements Or Salt Substitutes Lower Blood Pressure?
Extra potassium cut systolic BP about 3.5 mm Hg, and a potassium salt substitute lowered stroke 14% in a 20,995-person trial. Who should avoid it.
Does Coffee Raise Your Blood Pressure?
Caffeine raises systolic pressure by about 8 mm Hg for roughly three hours, but daily coffee drinkers build tolerance and large cohorts show no added risk.
Does Alcohol Raise Blood Pressure, and How Much Is Too Much?
Yes. Each daily drink adds about 1 mm Hg to systolic pressure, with no safe floor. The 2025 AHA/ACC guideline prefers no alcohol, or 1 drink (women) or 2 (men).
Why Does Amlodipine Make My Ankles Swell?
Amlodipine swelling comes from capillary pressure, not fluid overload. Edema hit 10.8% of people on 10 mg vs 1.8% on 2.5 mg. Why water pills fail and what helps.
What Can I Do About the Dry Cough From an ACE Inhibitor?
ACE inhibitor cough affects 5% to 35% of users. Switching to an ARB like losartan usually fixes it, and the cough fades within 1 to 4 weeks of stopping.
Can You Ever Stop Taking Blood Pressure Medication?
Some people can stop or cut back blood pressure pills with a doctor's help. Trials show pressure rises about 10 mm Hg on average. Here is who qualifies and how.
What Does It Mean If Only Your Diastolic Number Is High?
A diastolic reading of 80 mm Hg or higher with a normal top number is isolated diastolic hypertension. See what cohort studies found and how it is treated.
Which Over-the-Counter Medicines Raise Blood Pressure?
NSAIDs raise blood pressure by about 5 mm Hg in pooled trials and pseudoephedrine by about 1 mm Hg. See what the Drug Facts labels and the guideline say.
What Causes High Blood Pressure in Your 20s and 30s?
About 23% of U.S. adults aged 18 to 39 have high blood pressure, and only 27% of them know it. See the usual causes and when doctors look for a hidden one.