Conditions A–Z › High Blood Pressure (Hypertension)

High Blood Pressure (Hypertension)

Hypertension is blood pressure that stays higher than it should be over time — usually found by a routine reading rather than by symptoms. This page gathers our best material in one place: what the numbers mean, how blood pressure is checked properly, and the medicines and lifestyle steps used to manage it.

Watch: hypertension videos

Read: the plain-language guide

What Is High Blood Pressure (Hypertension)? What the reading measures, what to expect when it is checked properly, what a diagnosis usually leads to, and how to live with the number without fearing it. Read the article →

Listen: Kidney Zone Podcast

Blood pressure and your kidneys High blood pressure is one of the main drivers of kidney damage, and kidney problems can push blood pressure higher still. Dr. Mo's Kidney Zone Podcast explains kidney health in plain language across 57 episodes. Browse the podcast episodes →

Try the BMI calculator

BMI Calculator (Body Mass Index) Weight is one of the lifestyle factors closely tied to blood pressure. Check your BMI in metric or imperial units. Open the calculator →

Frequently asked questions

Does one high reading mean I have hypertension?

No. Hypertension means blood pressure that stays high over time, so clinicians usually confirm it with repeated readings — sometimes over several visits or with home monitoring — rather than acting on a single number.

Does high blood pressure cause symptoms?

Often it causes none that you would notice, which is why it is usually found by routine measurement rather than by how you feel. That is also why regular checks matter even when you feel well.

Can lifestyle changes really affect blood pressure?

They can form an important part of management for many people, alongside follow-up monitoring and, where a clinician advises it, medication. What is right for you depends on your readings and your overall health, so treat any specific plan as a conversation with your own clinician.

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This page is for general education only and is not medical advice. Blood pressure targets and treatment are individual — discuss your own readings with your clinician. A very high reading together with symptoms such as chest pain, breathlessness or vision changes needs urgent medical attention.