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❤️ Nigeria-Specific · Evidence-Based · Free

Blood Pressure
Risk Calculator

Enter your blood pressure reading and lifestyle factors to get your personalised hypertension risk assessment — with action plan and Nigeria-specific guidance.

45%
of Nigerian adults
have hypertension
75%
are unaware
of their condition
Your Blood Pressure Reading
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/
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mmHg (systolic / diastolic)
Enter your reading below
LowOptimalNormalElevatedHighCrisis
Step 1
Enter Your Blood Pressure Reading
Your most recent reading — ideally taken at rest after sitting quietly for 5 minutes
When heart beats
Between beats
mmHg
💡 For accuracy: Sit quietly for 5 minutes before measuring. Take the reading twice and use the average. Avoid caffeine, exercise, and smoking for 30 minutes beforehand.
Step 2
Your Risk Factors
These determine how serious your blood pressure level is for your specific situation
Risk increases significantly with age
Men develop hypertension earlier
Strongest non-modifiable risk factor
Obesity raises BP significantly
Maggi/Knorr cubes contain ~1g salt each
Exercise is the most effective lifestyle intervention
Smoking damages blood vessel walls
Heavy drinking raises blood pressure
Chronic stress raises cortisol and BP
Diabetes + hypertension = high CV risk
Kidney disease raises BP and is worsened by it
Important context for interpretation
🚨 Your blood pressure reading is in the hypertensive crisis range (above 180/120 mmHg). Seek immediate medical attention — go to the nearest hospital or call your doctor now. Do not wait to complete this calculator.
Your Assessment
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❤️
Your reading
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📊
Pulse pressure
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Normal is 30–50
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Risk level
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🎯
Target BP
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💊
Medication?
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Where You Fall on the BP Scale

Your reading compared to all blood pressure categories — WHO/ACC/AHA classification

Your Cardiovascular Risk Profile

🇳🇬 Nigeria context: Nigeria has one of the highest hypertension rates in the world, driven by genetic predisposition in people of African descent, high-sodium traditional diets, physical inactivity in urban populations, and extremely limited blood pressure monitoring. Most Nigerians with hypertension are diagnosed only after a stroke, heart attack, or kidney failure — conditions that are largely preventable with early detection and management.

Your Personalised Action Plan

Evidence-based lifestyle interventions — ranked by blood pressure reduction potential

Supplement Support for Blood Pressure

Evidence-based supplements that support healthy blood pressure — for your risk profile

Medical Guidance for Your Reading

Check your BP monthly — track changes

Blood Pressure Questions Answered

Clinically accurate answers to the most common hypertension questions

Normal blood pressure is below 120/80 mmHg. The first number (systolic) measures pressure when the heart beats; the second (diastolic) measures pressure between beats. Elevated blood pressure is 120–129 systolic with less than 80 diastolic. Stage 1 hypertension is 130–139 systolic or 80–89 diastolic. Stage 2 hypertension is 140 or higher systolic or 90 or higher diastolic. A hypertensive crisis requiring immediate attention is above 180/120 mmHg.
Hypertension affects an estimated 30–45% of Nigerian adults — one of the highest rates in the world. More concerning, studies suggest that 60–75% of Nigerians with hypertension are unaware of their condition. Urban populations have higher rates due to sedentary lifestyles, stress, high-sodium diets, and obesity. People of African descent globally have higher hypertension rates than European populations.
Primary hypertension (95% of cases) has no single cause but is driven by: excess dietary salt, obesity, physical inactivity, chronic stress, excessive alcohol, smoking, family history and genetics, and ageing. Secondary hypertension (5% of cases) is caused by kidney disease, thyroid disorders, sleep apnoea, adrenal gland tumours, or certain medications.
Hypertension is called the silent killer because it typically causes no symptoms until dangerous levels or organ damage. When symptoms occur, they may include headaches (especially at the back of the head in the morning), nosebleeds, dizziness, blurred vision, chest pain, and shortness of breath. The only way to know your blood pressure is to measure it. Regular monitoring is essential for everyone over 30, and from 25 for people with risk factors.
Dietary sodium is one of the strongest modifiable risk factors for hypertension. Many Nigerian dishes are high in sodium — maggi and knorr seasoning cubes each contain approximately 1g of salt. A typical Nigerian meal can easily exceed the WHO daily recommended intake of 5g of salt in a single meal. Reducing seasoning cube use, using fresh herbs and tomatoes for flavour, and cutting back on processed foods are the most impactful dietary changes for blood pressure in the Nigerian context.
Most guidelines recommend starting medication when: blood pressure is consistently at or above 140/90 mmHg; blood pressure is 130–139/80–89 AND you have diabetes, kidney disease, cardiovascular disease, or a calculated 10-year cardiovascular risk above 10%; or any blood pressure above 160/100 mmHg. Lifestyle changes alone are appropriate for Stage 1 hypertension without other risk factors. Never stop or change blood pressure medication without consulting your doctor.

Understanding Blood Pressure & Hypertension Risk in Nigeria

Blood pressure is the force exerted by circulating blood against the walls of blood vessels. It is measured in millimetres of mercury (mmHg) and recorded as two numbers: systolic pressure (during heartbeats) over diastolic pressure (between beats). Chronically elevated blood pressure — hypertension — silently damages blood vessels, the heart, kidneys, and brain over years before any symptoms appear.

Why Nigerians Have High Hypertension Rates

People of African descent have a genetic predisposition to salt sensitivity — their kidneys retain more sodium relative to European populations, making dietary salt a stronger blood pressure driver. This biological factor, combined with traditionally high-sodium Nigerian diets (heavily seasoned soups, dried and smoked proteins, preserved foods), creates a perfect storm for hypertension. Rapid urbanisation in Lagos, Abuja, and Port Harcourt has added sedentary lifestyles, chronic work stress, and increased processed food consumption to this already elevated baseline risk.

The Silent Killer Problem in Nigeria

In high-income countries, hypertension awareness campaigns and routine health checks mean that most people with high blood pressure know about it and are treated. In Nigeria, the situation is dramatically different — most people with hypertension first discover it when they are hospitalised for a stroke, heart failure, or kidney failure. These are the catastrophic, often fatal, end-stage complications of years of uncontrolled hypertension that could have been prevented with a cheap blood pressure cuff and a few lifestyle changes. Annual blood pressure checks for every adult over 30 would prevent thousands of deaths every year in Nigeria.

Manage Your Blood Pressure at Enavec

Blood pressure monitors, magnesium supplements, potassium-supporting products, and expert pharmacist advice — all available at Enavec Pharmacy.

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Blood Pressure and Stroke — Nigeria Leading Cause of Death

Stroke has become the leading cause of adult disability and one of the top causes of death in Nigeria, driven almost entirely by the hypertension epidemic. The brain is exquisitely sensitive to blood pressure fluctuations — chronically elevated pressure damages the small arteries supplying brain tissue, causing either haemorrhagic stroke (burst vessel) or ischaemic stroke (blocked vessel). The risk of stroke doubles for every 20/10 mmHg increase in blood pressure above 115/75 mmHg. Regular blood pressure monitoring and treatment of hypertension is the single most effective intervention available for stroke prevention in Nigeria.

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