How is giardiasis diagnosed?
To help diagnose giardia infection (giardiasis), your doctor is likely to test a sample of your stool. For accuracy, you may be asked to submit several stool samples collected over a period of days. The samples are then examined in a lab for the presence of parasites.
What are Giardia lamblia cysts?
Giardia lamblia exists in two forms, an active form called a trophozoite, and an inactive form called a cyst. The active trophozoite attaches to the lining of the small intestine with a “sucker” and is responsible for causing the signs and symptoms of giardiasis.
What type of parasite is Giardia lamblia?
Giardia lamblia (syn. Giardia intestinalis, Giardia duodenalis) is a flagellated unicellular eukaryotic microorganism that commonly causes diarrheal disease throughout the world.
What are the ways to prevent and control giardiasis?
The best way to prevent giardia infection is to practice good hygiene, including frequent hand washing. You should not drink water that may be contaminated. You should also peel or wash fresh fruit and vegetables before eating.
What antibiotics treat Giardia in humans?
Several drugs can be used to treat Giardia infection. Effective treatments include metronidazole, tinidazole, and nitazoxanide. Other medications include paromomycin, quinacrine, and furazolidone. Some of these drugs may not be readily available in the United States.
What happens if Giardia is left untreated?
If left untreated, Giardia will eventually lead to more acute symptoms, including bloody diarrhea, weight loss, and dehydration. If you or your child experience a bout of diarrhea lasting more than a day or two, contact your doctor immediately.
What disease does Giardia lamblia cause?
Giardia is a tiny parasite (germ) that causes the diarrheal disease giardiasis. Giardia is found on surfaces or in soil, food, or water that has been contaminated with feces (poop) from infected people or animals. You can get giardiasis if you swallow Giardia germs.
Is Giardia lamblia a virus?
Giardia lamblia virus (GLV) is a small nonenveloped double-stranded RNA virus that infects specifically the parasitic protozoan G. lamblia. Among the many collected strains of G. lamblia, a few turn out to be highly resistant to the virus infection.
What are signs of giardia in humans?
Giardia infection (giardiasis) can cause a variety of intestinal symptoms, which include:
- Diarrhea.
- Gas.
- Foul-smelling, greasy poop that can float.
- Stomach cramps or pain.
- Upset stomach or nausea.
- Dehydration.
What are the symptoms of Giardia in humans?
Is Giardia a virus or bacteria?
Can Giardia be cured?
Patients who have resistant infection can usually be cured by a prolonged course of treatment with a combination of a nitroimidazole with quinacrine. Giardia lamblia, also called Giardia duodenalis or Giardia intestinalis, is a protozoan parasite of the small intestine that causes extensive morbidity worldwide.