You can lower high blood pressure through a combination of dietary changes, regular exercise, weight management, and, when needed, medication. How aggressively you need to act depends on where your numbers fall. Normal blood pressure is below 120/80 mmHg. Stage 1 hypertension starts at 130/80, and stage 2 begins at 140/90 or higher. If your reading hits 180/120 or above with symptoms like chest pain, blurred vision, or shortness of breath, call 911.
Know Your Numbers First
Before making changes, you need reliable readings. Home monitors are affordable and useful, but technique matters. Don’t eat, drink, or exercise for 30 minutes before measuring. Empty your bladder, then sit in a chair with your back supported for at least five minutes. Keep both feet flat on the floor, legs uncrossed, and rest your cuffed arm on a table at chest height. The cuff goes on bare skin, not over a sleeve. Don’t talk during the reading.
Take two readings a minute apart and average them. Measure at the same time each day, ideally morning and evening, for at least a week before drawing conclusions. A single high reading doesn’t mean you have hypertension. Consistent elevation across multiple readings does.
Cut Sodium and Follow the DASH Diet
Sodium is the single most impactful dietary factor in blood pressure. Limiting intake to 2,300 mg per day produces measurable drops, and cutting to 1,500 mg per day lowers it even further. For context, one teaspoon of table salt contains about 2,300 mg of sodium, and most people consume well over that through processed and restaurant food.
The DASH eating plan (Dietary Approaches to Stop Hypertension), developed by the National Heart, Lung, and Blood Institute, builds on sodium reduction with a broader dietary framework: fruits, vegetables, whole grains, lean protein, and low-fat dairy, while minimizing saturated fat and added sugars. It’s not a fad diet. It’s one of the most studied dietary interventions in cardiology, and it can lower systolic blood pressure by several points within weeks.
Practical starting points: read nutrition labels for sodium content, cook more at home, swap canned vegetables for fresh or frozen, and season with herbs, spices, garlic, or lemon instead of salt. Restaurant meals are the hardest to control, so ask for sauces and dressings on the side.
Get Enough Potassium
Potassium counterbalances sodium’s effect on blood pressure. It helps your body flush out excess sodium and relaxes blood vessel walls. Most adults need 2,600 mg (women) to 3,400 mg (men) per day, and most fall short. Good sources include bananas, sweet potatoes, spinach, beans, yogurt, and avocados.
Getting potassium from food is generally safe, but supplements and salt substitutes (which are potassium-based) can be risky if you have kidney disease or take certain blood pressure medications like ACE inhibitors or potassium-sparing diuretics. These drugs reduce how much potassium your kidneys can excrete, and adding more potassium on top can push levels dangerously high.
Exercise Consistently
Regular physical activity lowers blood pressure by strengthening the heart so it pumps blood with less effort, reducing the force on artery walls. The target is at least 150 minutes of moderate aerobic activity per week, or 75 minutes of vigorous activity. That works out to about 30 minutes on most days. Walking, cycling, swimming, and jogging all count.
Resistance training helps too. A combination of aerobic exercise and weight training provides the greatest cardiovascular benefit. You don’t need a gym membership. Bodyweight exercises, resistance bands, or carrying groceries up stairs all build the kind of functional strength that supports heart health. The key is consistency over intensity. A brisk daily walk does more for your blood pressure than an occasional intense workout.
If you’ve been sedentary, start with 10 to 15 minutes a day and build up. Blood pressure improvements from exercise typically appear within a few weeks and persist as long as you stay active.
Lose Weight If You Need To
Carrying excess weight forces your heart to work harder, which raises blood pressure. A meta-analysis of randomized controlled trials found that for every kilogram (about 2.2 pounds) of weight lost, systolic blood pressure drops roughly 1 mmHg and diastolic drops about 0.9 mmHg. That may sound modest, but losing 10 kg (22 pounds) could mean a 10-point drop in systolic pressure, which is comparable to adding a medication.
You don’t need to reach an “ideal” weight to see results. Even losing 5 to 10 percent of your body weight makes a meaningful difference. The DASH diet combined with regular exercise creates a sustainable path to weight loss without extreme restriction.
Limit Alcohol
Alcohol raises blood pressure in a dose-dependent way: the more you drink, the higher the effect. If you have high blood pressure, the safest approach is to avoid alcohol or keep it minimal. For healthy adults, that means no more than one drink per day for women and two for men. One drink equals 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits.
Heavy drinking can also interfere with blood pressure medications and contribute to weight gain. If you currently drink more than these limits, cutting back can produce noticeable drops in blood pressure within a few weeks.
Address Sleep and Stress
Poor sleep does more than leave you tired. Obstructive sleep apnea, a condition where your airway repeatedly collapses during sleep, is present in roughly 50 percent of people with hypertension. It’s the most common secondary contributor to resistant high blood pressure, the kind that doesn’t respond well to medication. Symptoms include loud snoring, gasping during sleep, and excessive daytime fatigue. If your blood pressure stays elevated despite lifestyle changes and medication, untreated sleep apnea could be the reason.
Chronic stress raises blood pressure through hormonal pathways that keep your body in a heightened state. The stress itself may be unavoidable, but how you respond to it matters. Regular exercise, adequate sleep (seven to eight hours), and structured relaxation practices like deep breathing or meditation all help lower the baseline stress response over time.
When Medication Becomes Necessary
Lifestyle changes are the foundation, but they aren’t always enough. If your blood pressure remains at stage 1 (130-139/80-89) after several months of consistent effort, or if it’s already at stage 2 (140/90 or higher), medication is typically part of the plan. Several classes of blood pressure drugs work in different ways: some relax blood vessels, others reduce the volume of fluid in your bloodstream, and others slow the heart rate. Your doctor will choose based on your overall health, other medications, and how your body responds.
Blood pressure medication works best alongside the lifestyle strategies above, not as a replacement for them. Many people who start medication can eventually lower their dose or stop entirely if they make sustained changes to diet, exercise, and weight. Others need medication long-term, and that’s fine. The goal is getting your numbers into a safe range and keeping them there.
How to Get Accurate Home Readings
Tracking your blood pressure at home gives you and your doctor a much clearer picture than occasional office visits. Use an upper-arm cuff monitor (wrist monitors are less reliable) validated for accuracy. Follow this checklist every time:
- 30 minutes before: avoid food, caffeine, and exercise
- Before sitting down: empty your bladder
- Rest: sit quietly with back supported for five minutes
- Position: feet flat, legs uncrossed, cuffed arm at chest height on a table
- Cuff placement: snug on bare skin, not over clothing
- During the reading: don’t talk
Log each reading with the date and time. Patterns over days and weeks matter more than any single measurement. Bring the log to appointments so your provider can make informed decisions about treatment adjustments.