Low Blood Pressure: Causes, symptoms, treatment, prevention, and complications. Hypotension commonly referred to as low blood pressure, is a medical condition characterized by a blood pressure reading that falls below the normal range. While high blood pressure (hypertension) is a well-known concern, low blood pressure can also have significant health implications. Types of Hypotension: 1. Orthostatic Hypotension: Orthostatic hypotension, also known as postural hypotension, occurs when there is a sudden drop in blood pressure upon changing positions, such as standing up from a sitting or lying position. This can lead to symptoms like dizziness, lightheadedness, and even fainting. It often happens due to a delayed adjustment in blood pressure regulation, causing blood to pool in the lower extremities and not reach the brain adequately. 2. Neurally Mediated Hypotension (NMH): Neurally mediated hypotension is a condition where blood pressure drops in response to c...