If you have high blood pressure, the most important steps are understanding how high it is, making specific lifestyle changes, and working with a doctor to decide whether you need medication. Most people can lower their blood pressure meaningfully through a combination of dietary shifts, regular exercise, and better daily habits. Some will also need medication, especially if readings are consistently at stage 2 (140/90 or higher).
Know Your Numbers
The 2025 guidelines from the American Heart Association and American College of Cardiology break blood pressure into four categories:
- Normal: below 120/80 mmHg
- Elevated: 120 to 129 systolic (top number) and below 80 diastolic (bottom number)
- Stage 1 hypertension: 130 to 139 systolic or 80 to 89 diastolic
- Stage 2 hypertension: 140 or higher systolic or 90 or higher diastolic
If your top and bottom numbers fall into different categories, the higher category is the one that applies. A reading of 138/78, for example, counts as stage 1 hypertension because of the systolic number, even though the diastolic number is normal. Knowing your category helps determine whether lifestyle changes alone are enough or whether medication should be part of the plan.
When It’s an Emergency
A reading of 180/120 or higher is considered a hypertensive crisis. If you see this number at home and feel fine, sit quietly for a few minutes and measure again. If it’s still that high, seek medical care promptly.
Call 911 immediately if a reading of 180/120 or higher comes with chest pain, shortness of breath, or stroke symptoms like sudden numbness, tingling, or loss of feeling in the face, arm, or leg (often on just one side of the body). At that level, with those symptoms, there may be life-threatening organ damage happening in real time.
Change What You Eat
Diet is one of the most powerful tools you have. The DASH eating plan, developed by the National Heart, Lung, and Blood Institute, emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy while cutting back on saturated fat and sugar. The key target is sodium: keeping it under 2,300 milligrams per day lowers blood pressure, and dropping to 1,500 milligrams per day lowers it even further. For reference, a single teaspoon of table salt contains about 2,300 milligrams of sodium, and most of the sodium Americans consume comes from processed and restaurant food rather than the salt shaker.
Potassium also plays a direct role. It relaxes the walls of blood vessels, which lowers pressure. Most Americans get roughly half the recommended 4,700 milligrams per day. Good sources include bananas, potatoes, spinach, beans, and yogurt. Increasing your potassium intake while decreasing sodium creates a compounding effect on blood pressure.
Move More, Consistently
Regular aerobic exercise, things like brisk walking, cycling, or swimming, can lower the top number by 4 to 10 points and the bottom number by 5 to 8 points. That’s a meaningful drop, comparable to what some medications achieve. The key word is “regular.” These benefits come from sustained activity over weeks and months, not a single workout. Most guidelines recommend at least 150 minutes of moderate-intensity activity per week, which works out to about 30 minutes on most days.
You don’t need to start with intense workouts. Even a daily 20-minute walk is a real step forward if you’ve been sedentary. The blood pressure benefits tend to show up within a few weeks of consistent activity and disappear if you stop.
Lose Weight If You Need To
A meta-analysis of 25 studies found that every kilogram of body weight lost (about 2.2 pounds) is associated with roughly a 1-point drop in blood pressure. That means losing 10 pounds could lower your reading by 4 to 5 points. For people who are overweight, this is one of the most reliable ways to bring numbers down. Combined with exercise and dietary changes, even modest weight loss can sometimes eliminate the need for medication at the stage 1 level.
Sleep, Alcohol, and Stress
Short sleep raises hypertension risk. A large meta-analysis found that people who consistently sleep fewer than five hours per night have an 11% higher risk of developing high blood pressure, with women being particularly vulnerable. Aim for seven to eight hours. If you snore heavily or wake up feeling exhausted despite enough time in bed, sleep apnea could be contributing to your blood pressure, and it’s worth discussing with a doctor.
Alcohol directly raises blood pressure. The American Heart Association recommends no more than two drinks per day for men and one for women, though less is better. If you drink regularly and have high blood pressure, cutting back is one of the simpler changes with a noticeable payoff.
Chronic stress keeps your body in a state that promotes higher blood pressure. While the relationship is harder to quantify than sodium or exercise, finding ways to manage stress, whether through physical activity, breathing exercises, or reducing commitments, supports the other changes you’re making.
Monitor at Home
Home monitoring gives you and your doctor a clearer picture than occasional office visits, where readings can spike from nerves alone. To get accurate readings, sit quietly for three to five minutes before measuring. Keep your feet flat on the floor and rest your arm on a table at heart level. Place the cuff on your bare upper arm, about one inch above the bend of your elbow, with the sensor centered over the front of your arm. The cuff should be snug enough that you can slip only two fingertips under its top edge.
Take readings at the same times each day, ideally morning and evening. Record them so you can share trends with your doctor rather than relying on a single in-office measurement. A consistent log over two to four weeks is far more informative than any single reading.
When Medication Becomes Part of the Plan
Lifestyle changes are the foundation at every stage, but medication is often necessary for stage 2 hypertension or for stage 1 when lifestyle changes alone haven’t brought numbers down after several months. There are several classes of blood pressure medication, and your doctor will choose based on your overall health, age, and how your body responds.
Diuretics help your body shed excess salt and water. Beta-blockers slow the heart rate, reducing the force of blood against artery walls. ACE inhibitors and ARBs both target a chemical pathway that narrows blood vessels, keeping arteries relaxed and open. Calcium channel blockers prevent calcium from tightening the muscles in blood vessel walls, which also keeps them wider. Some people take a single medication, while others need a combination of two or more to reach their target.
Finding the right medication sometimes takes trial and adjustment. Side effects vary by class, and it’s common to switch once or twice before landing on something that works well without bothersome effects. The important thing is to take medication consistently if it’s prescribed. Blood pressure drugs don’t “cure” hypertension. They manage it, and stopping them abruptly can cause a rebound spike.
Putting It All Together
The most effective approach stacks multiple changes rather than relying on any single one. Cutting sodium by 1,000 milligrams a day, losing 10 pounds, walking 30 minutes most days, and limiting alcohol can collectively lower blood pressure by 15 to 20 points or more. For people with stage 1 hypertension, that combination alone can bring readings back to normal. For those at stage 2 or on medication, these same habits make medications work better, sometimes allowing lower doses over time.
Results aren’t instant. Most lifestyle changes take two to four weeks to show measurable effects on blood pressure, and the full benefit builds over months. Tracking your numbers at home lets you see the progress and stay motivated when the changes feel like effort.