Giardiasis, refers to Giardia infection in small intestine and is caused by a microscopic parasite called Giardia Lamblia. This infection mostly has no symptoms and makes metabolism difficult.

You can get giardiasis by eating contaminated food or drinking polluted water.

What are the symptoms of giardiasis?

  • Diarrhea and greasy stools
  • Weakness
  • Vomiting
  • Abdominal cramping
  • Anorexia and weight
  • Loss of appetite
  • Nausea
  • Iron deficiency or anemia


  • Drinking contaminated or polluted water
  • Contaminated food to the giardiasis infection
  • Lack of personal hygiene
  • Living in polluted and dirty places
  • This infection transmits from one person to the other one.

How is giardiasis diagnosed?

To diagnose giardiasis, doctors test a sample of your stool or biopsy of the intestine. ELISA testing considers Giardia antigen in stool by microscope.

Doctors may perform entroscopy. This procedure involves running a flexible tube down your throat and into your small intestine. This allows allow your doctor to examine your digestive tract and take a tissue sample.

To prevent this infection:

  • Washing your hand regularly, specially if you work in places where germs spread rapidly.
  • Avoid drinking surface and contaminated water.
  • Don’t eating contaminated food

Giardiasis treatment

Mild stage of this infection, cab be treated by drinking more water and liquid. But in chronic infection, it’s better to refer a doctor to better diagnosis and performing related tests. Doctors prescribe medications for your improvement.


Some of the Emad laboratory services:

  • Reticulocyte count
  • Fast blood sugar level (FBS)
  • Liver function test
  • Thyroid function test
  • Testosterone level test


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