Low blood pressure, also known as hypotension, is a condition where blood pressure is lower than normal. While often not a cause for concern, it can lead to symptoms and complications in some cases.

Types of Low Blood Pressure

• Orthostatic hypotension: Sudden drop when standing up
• Postprandial hypotension: Drop 1-2 hours after eating
• Neurally mediated hypotension: Occurs after standing for long periods
• Multiple system atrophy with orthostatic hypotension: Rare condition affecting the autonomic nervous system

Causes

• Pregnancy
• Heart conditions (e.g., heart attack, heart failure, valve disease)
• Endocrine disorders (e.g., Addison’s disease, diabetes)
• Dehydration
• Blood loss
• Severe infections (septic shock)
• Severe allergic reactions (anaphylaxis)
• Nutritional deficiencies
• Certain medications

Symptoms

• Dizziness or lightheadedness
• Fainting
• Blurred vision
• Fatigue
• Nausea
• Confusion
• Weakness

Diagnosis

• Physical examination
• Blood tests
• Imaging tests (e.g., ECG, echocardiogram)

Treatment

Treatment depends on the underlying cause and may include:

• Increasing fluid and salt intake
• Wearing compression stockings
• Medications (e.g., fludrocortisone, midodrine)
• Treating underlying conditions

Prevention and Management

• Stay hydrated
• Eat small, low-carb meals
• Exercise regularly
• Avoid sudden position changes
• Limit alcohol consumption