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Giardiasis is an infection affecting the nutrient absorption in the small intestine leading to diarrhea.


  • Parasite called Giardia lamblia
  • Food, water and surfaces contaminated by the parasite present in infected feces

Symptoms are not present in a lot of cases but when present, they may include:

  • Watery diarrhea
  • Abdominal cramps
  • Loss of appetite
  • Nausea or vomiting
  • Bloating
  • Flatulence
  • Sometimes, low grade fever

Some cases improve without any treatment. In other cases, treatment includes:

  • Medication to fight the infection


  • Washing hands after visiting the toilet
  • Washing hands before eating and handling food
  • Washing raw fruits and vegetables before consumption
  • Drinking adequately boiled or treated water