Hypertension has no symptoms but is one of the leading causes of heart attack and stroke in South African men. What your numbers mean, what raises them, and how to bring them down.
1 in 3
South African adults have high blood pressure
120/80
Normal blood pressure (mmHg)
140/90
Treatment goal for most men
Silent
No symptoms until it causes a crisis
Blood pressure is the force of blood pushing against your artery walls as your heart pumps. It's written as two numbers — systolic (when the heart beats) over diastolic (between beats) — measured in millimetres of mercury. It rises and falls naturally through the day, but if it stays high it silently damages your heart, brain, kidneys and eyes. Hypertension produces no symptoms until it causes a crisis, which is why regular checking is the only way to know where you stand.
South African guidance broadly follows international targets. A single reading is never the whole story — what matters is the pattern over days and weeks.
Below 120/80
Keep doing what you're doing. Recheck at your routine appointments or at least once a year.
120–129 / under 80
Not hypertension yet, but a warning. Cut salt, move more and lose abdominal weight now to stop it progressing.
130–139 / 80–89
Hypertension. Your doctor will usually start with lifestyle changes, adding medication if you have other risks like diabetes.
140/90 or higher
Hypertension needing treatment. Most men reach their target with one or two tablets plus lifestyle changes.
Above 180/120
Seek emergency care immediately — especially with chest pain, severe headache, breathlessness or visual changes.
Your personal goal may differ. Most treated adults aim for below 140/90, but if you have diabetes, kidney disease or known heart disease the target is usually below 130/80. Ask your doctor what your number should be — and then aim for it.
Some risks are fixed and simply mean you should check earlier. The changeable ones are where the real power lies.
But they tell you when to start checking
Each one lowers your number measurably
The DASH approach works well in South Africa and can lower blood pressure as much as a single medication in some men.
Cut salt — don't add it at the table and limit packet soups, stock cubes and salty snacks
Eat more fruit, vegetables and beans — affordable staples in South Africa
Walk briskly for at least 30 minutes on most days
Lose weight if your waist is over 94cm — abdominal fat matters most
Limit alcohol to no more than two units a day, with alcohol-free days
Quit smoking — it raises pressure and damages arteries directly
Protect your sleep and manage stress with regular movement and honest conversations
Take your medication every day, even when you feel perfectly well
Most readings taken in a rush overestimate your pressure. These five habits make the number trustworthy.
Sit quietly for five minutes before the reading, back supported, feet flat on the floor
Support your arm at heart level and use the correct cuff size — too small a cuff reads high
Avoid caffeine, exercise and smoking for 30 minutes beforehand
Take two readings a minute apart and record both
Use the same arm, at the same time of day, and keep a written log for your doctor
ACE inhibitors
often ending in '-pril'
Relax the blood vessels and protect the kidneys, which makes them a first choice for men with diabetes. A persistent dry cough is the classic side effect.
ARBs
often ending in '-sartan'
Work like ACE inhibitors but without the cough. Commonly used when a cough becomes intolerable or in combination therapy.
Calcium channel blockers
often ending in '-pine'
Relax and widen arteries. Very effective in older men and in men of African descent, who often respond better to this class.
Diuretics
'water tablets'
Help the kidneys shed salt and water, lowering pressure. Often the third medicine added to bring stubborn readings under control.
The most important instruction is the simplest one: take it every day. Blood-pressure medicine controls the problem rather than curing it. Feeling well is the result of treatment working — never a reason to stop it without speaking to your doctor first.
Know your number. A blood-pressure check takes three minutes at any pharmacy or clinic. Do it this week, write the reading down, and compare it over time — that single habit is how South African men catch hypertension before it catches them.
A pharmacy or clinic check takes minutes; a GP can diagnose and start treatment the same day. Find HPCSA-registered professionals across South Africa — most medical aids cover consultations and blood-pressure medication.
Roughly one in three South African adults lives with hypertension, and men aged 35 to 60 are among the highest-risk groups. Yet a large share of them have no idea. Studies such as CRAVE and ACCESS have repeatedly shown that awareness, treatment and control rates in South Africa remain poor — not because treatment is unavailable or expensive, but because the condition is silent and men rarely check. The burden falls hardest on urban communities, where salt-heavy diets, stress, alcohol and abdominal obesity stack on top of each other.
That silence is what makes hypertension so dangerous. You can feel energetic and well while your arteries are stiffening and your heart muscle is thickening under the strain. Uncontrolled high blood pressure is the single biggest contributor to heart attacks, strokes, heart failure and kidney failure in South African men, and it damages the vessels in the brain and eyes over years. There is no warning until there is an event.
The encouraging flip side is that pressure responds quickly to treatment. Even modest reductions dramatically cut the risk of stroke and heart attack, and the medicines involved are among the cheapest in the pharmacy — generics widely available in both the public and private sectors. Lifestyle changes can lower pressure by as much as a single tablet in some men. The one thing that makes all of this fail is stopping treatment because you feel fine; the whole point of treatment is that you feel fine.
For South African men the practical message is simple. From age 40, have your blood pressure checked at least once a year — earlier if you smoke, carry weight around the middle, drink regularly or have a family history. Learn your number, write it down, and compare it over time. If it’s raised, get it treated and stay on treatment. High blood pressure is common, silent and serious — and it is also one of the most controllable threats to your health.