Supine Hypertension with Orthostatic Hypotension: What to Know

Supine means lying flat. Orthostatic hypotension describes a blood pressure drop after moving upright. Together, these findings can make treatment more individual: lowering pressure while lying down may worsen symptoms on standing, while raising standing pressure may increase pressure during rest. The body normally tightens blood vessels and adjusts the heart rate when you stand. If that response is reduced, blood can collect in the legs and less reaches the brain briefly. Medicines, dehydration, nervous-system problems, and other health conditions may contribute.

Record symptoms alongside posture, meals, fluids, and medicines, if your clinician has asked you to monitor at home. Rise in stages: sit at the bedside, move your ankles, then stand with support. Keep pathways clear and avoid driving or climbing while light-headed. Do not stop, add, or change blood-pressure medicine without clinical advice. A clinician may review your medicines, check blood pressure lying and standing, and look for an underlying cause. Read more about a [GP Consultation](/treatments/consultations-and-assessment/gp-consultation/) when arranging an assessment.

Seek urgent help for fainting with injury, chest pain, severe breathlessness, new weakness, trouble speaking, confusion, or a severe sudden headache. Arrange prompt medical review for repeated near-fainting, falls, or symptoms that begin after a medicine change. For milder recurring dizziness, keep a symptom record and book an assessment rather than trying to correct the readings yourself. You can learn more about [Dizziness](/symptoms/dizziness/) and warning symptoms.

Could any of my medicines or supplements be affecting posture-related blood pressure? Should I measure after lying down and then standing? What should I do if symptoms occur at night or after getting out of bed? Which warning signs mean I need urgent help?