- High blood pressure usually causes no clear symptoms, but over time it can damage the heart, brain, kidneys and eyes.
- Diagnosis depends on repeated reliable measurements. One reading, especially during stress or pain, does not always tell enough.
- Home monitoring helps only when the technique is correct: rest, a seated position, a correctly fitting upper-arm cuff and several measurements at different times.
- A single high reading without symptoms usually does not call for panic. Urgent care is mainly needed when high blood pressure occurs with symptoms such as loss of neurological function, breathlessness or chest pain.
- Never stop or change blood pressure medicines yourself without discussing it with a healthcare professional.
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General information, not personal medical advice
This article has been carefully prepared but may contain errors or become outdated as medical knowledge changes. It does not replace diagnosis, examination or treatment by your own GP. Always discuss personal questions and starting, stopping or changing medicines or treatments with your own GP.
For a life-threatening situation, call Ambulance 912. For urgent care outside office hours, call HAP 9252.
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