Overview

Not dangerous but causes digestive discomfort. Common in adults, especially of Asian, African, and South American descent.

Causes

• Genetic (primary lactase deficiency)
• Intestinal injury or infection (secondary)
• Age-related enzyme loss

Symptoms

• Bloating, gas
• Diarrhea
• Abdominal cramps
• Nausea after dairy intake

Treatment: Modern Medicine

• Diagnosis: Hydrogen breath test, lactose tolerance test
• Treatment:
  • Lactose-free diet
  • Lactase enzyme supplements

Treatment: Traditional Medicine

• Ayurveda: Digestive herbs – Trikatu, Hing, Ajwain
• Siddha: Carminatives for gas, gut repair herbs
• Unani: Light diet and intestinal tonics
• TCM: Strengthening spleen-stomach Qi
• Homeopathy: Natrum carb, Aethusa
• Nutraceuticals: Probiotics, calcium, vitamin D

Caution

• Ensure calcium intake from other sources
• Avoid self-diagnosing – rule out other GI disorders

Prevention

• Dairy alternatives (almond, soy, oat milk)
• Gradually reintroduce small dairy portions
• Use lactase-fortified milk