Low Blood Pressure (Hypotension)

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Low Blood Pressure (Hypotension) — is a condition where your blood pressure readings are lower than normal, meaning your blood flow is insufficient to deliver enough oxygen and nutrients to vital organs like the brain, heart, and kidneys.

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💓 Understanding Blood Pressure

Blood pressure is measured as systolic/diastolic (mmHg):

Category	Systolic	Diastolic
Normal	90–120	60–80
Low Blood Pressure (Hypotension)	< 90	< 60

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⚠️ Causes of Low Blood Pressure

• Dehydration

• Heart problems (bradycardia, heart failure, heart valve disease)

• Endocrine disorders (adrenal insufficiency, hypothyroidism)

• Blood loss or anemia

• Severe infection (septic shock)

• Nutrient deficiencies (Vitamin B12, folate)

• Certain medications (diuretics, beta-blockers, antidepressants)

• Standing up quickly (orthostatic hypotension)

• Prolonged bed rest or immobility

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🩸 Types of Hypotension

1. Orthostatic (Postural) Hypotension — sudden drop when standing up

2. Postprandial Hypotension — after eating (common in older adults)

3. Neurally Mediated Hypotension (NMH) — from stress or standing too long

4. Severe Hypotension — due to shock or major blood loss (medical emergency)

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💢 Common Symptoms

• Dizziness or lightheadedness

• Fainting (syncope)

• Blurred or tunnel vision

• Nausea

• Fatigue or weakness

• Cold, clammy, pale skin

• Rapid, shallow breathing

• Difficulty concentrating

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🧪 Diagnosis

• Blood pressure readings (lying, sitting, and standing)

• Blood tests (anemia, electrolytes, hormones)

• ECG / Echocardiogram (heart rhythm and structure)

• Tilt table test (for orthostatic hypotension)

• Review of medications and hydration levels

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💊 Treatment Options

1. Lifestyle & Home Remedies

• Increase fluid intake (especially water and electrolyte drinks)

• Add salt (sodium) cautiously, under medical guidance

• Eat small, frequent meals to prevent post-meal drops

• Avoid alcohol

• Stand up slowly from sitting or lying position

• Wear compression stockings to improve circulation

• Elevate head of bed slightly during sleep

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2. Medications (for persistent or severe cases)

• Fludrocortisone – helps retain sodium and increase blood volume

• Midodrine – constricts blood vessels to raise pressure

• Erythropoietin – in cases of anemia-related hypotension

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🚨 When to Seek Immediate Medical Help

• Fainting frequently or loss of consciousness

• Chest pain or irregular heartbeat

• Severe weakness or confusion

• Evidence of shock (cold, clammy skin, rapid pulse, shallow breathing)

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💡 Prevention Tips

• Stay hydrated, especially in heat

• Avoid standing still for long periods

• Eat balanced meals rich in vitamins B12 and folate

• Manage medications under a doctor’s supervision