High blood pressure (hypertension)

Hypertension is consistently raised pressure in the arteries (usually 140/90 mmHg or higher on repeated readings). It often has no symptoms but raises the risk of heart attack, stroke and kidney disease, and is managed with lifestyle changes and, when needed, medication.

Symptoms

• Usually none (silent)
• Headaches in some people
• Dizziness
• Blurred vision in severe cases
• Nosebleeds (uncommon)

When to see a doctor

• Readings repeatedly at or above 140/90 mmHg
• Very high reading with chest pain, breathlessness or vision changes (urgent)
• Before starting or changing blood-pressure medicine

FAQs

What is a normal blood pressure reading?

For most adults, around 120/80 mmHg is healthy. Consistently 140/90 mmHg or above usually indicates hypertension, but a doctor confirms this over several readings.

Can high blood pressure be cured?

It is usually controlled rather than cured. Many people keep it in a healthy range with lifestyle changes and, where needed, ongoing medication.