Managing Blood Pressure During Extreme Heat Waves

At EASTSIDE FAMILY HEALTH CENTER in Kirkland, WA, we help patients manage heart and vascular health year-round—but extreme heat needs extra care. Dr. Frank Marinkovich, M.D., blends internal and functional medicine to help you keep your blood pressure stable when high temps and dehydration can send it swinging.

Why Heat Affects Blood Pressure

Hot weather makes blood vessels expand, which can lower blood pressure unexpectedly
Dehydration thickens blood, which can raise blood pressure in some people
Heat strain can worsen underlying heart or kidney conditions
Certain blood pressure medications (like diuretics) increase fluid loss and risk of dizziness
Why it matters: Sudden drops or spikes in BP can cause fainting, falls, or even strokes in high-risk patients.

Who’s Most at Risk During Heat Waves?

Older adults with chronic hypertension
People with heart disease, kidney disease, or diabetes
Anyone taking diuretics or beta-blockers
Those with low baseline blood pressure who get dehydrated easily
Tip: If you fall into these groups, have a plan when temps rise above 85°F.

Signs Your BP May Be Out of Balance

Feeling dizzy, lightheaded, or faint
Unexplained headaches or blurry vision
Weakness or sudden fatigue
Rapid heart rate or palpitations
Why it matters: These warning signs mean it’s time to check your numbers and adjust your routine.

How to Protect Your Blood Pressure in the Heat

Stay Hydrated – Drink plenty of water and consider electrolyte drinks if you’re sweating heavily
Avoid Peak Heat – Stay indoors during the hottest parts of the day (10am–4pm)
Monitor BP Regularly – Keep a home blood pressure monitor handy and know your safe range
Dress Light & Cool – Lightweight clothing helps your body regulate temperature
Check Medications – Ask your doctor if doses need adjusting during heat waves
Tip: Never skip BP meds without talking to your doctor—even if your BP seems low.

How We Help at Eastside Family Health Center

Individual BP Risk Assessments – We help you understand your unique summer risks
Medication Reviews – Make sure your prescriptions fit your seasonal needs
Hydration & Electrolyte Plans – Keep fluid levels balanced for your heart
Telehealth Check-Ins – Quick help if you feel off during a heat wave
Why it matters: Small adjustments now can prevent big problems later.

Stay Safe, Stay Steady

At EASTSIDE FAMILY HEALTH CENTER, we make sure your heart health doesn’t take a hit when the weather heats up. With smart prevention, you can enjoy the summer without worrying about dangerous swings in blood pressure.

Schedule your Blood Pressure & Heart Health Check today

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