Why blood pressure falls when you stand up: Understanding the causes, symptoms, risks and management

Orthostatic hypotension (OH) is a medical condition characterized by a sudden drop in blood pressure when standing up from a sitting or lying down position. This can cause dizziness, lightheadedness, and even fainting. _What happens during OH:_ When you stand up, gravity causes blood to pool in your legs, reducing blood flow to your brain. Normally, your body compensates by increasing heart rate and blood pressure. However, in people with OH, this compensatory mechanism fails, leading to a sudde