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Lactose Intolerance


Lactose intolerance is the inability to digest lactose which is a sugar found in milk and dairy products.


  • Lack of enzyme called lactase
  • Injury to small intestine
  • Certain medical conditions like celiac disease, Crohn’s disease, etc.
  • Certain medications
  • Old age
  • Heredity

Symptoms may begin after 30 minutes to 2 hours of consuming anything containing lactose and include:

  • Nausea
  • Cramps
  • Bloating
  • Gas
  • Diarrhea

There is no cure for the condition but symptoms can be managed by:

  • Avoiding lactose consumption in case of high intolerance
  • Consuming limited and tolerable amount of lactose through controlled diet
  • Taking lactase enzyme in the form of tablets or liquids
  • Consuming lactose reduced milk and dairy products


There is no way to prevent lactose intolerance.