Giardiasis, What Is The Cause? And How Do We Treat Giardiasis?

Giardiasis is an infection of the small intestine caused by a parasite named Giardia lamblia. Usually will disappear within a few weeks and does not cause serious health problems. However, the sufferer may encounter weight loss due to diarrhea and decreased food absorption.

This disease is found in areas with low sanitation or poor water quality, especially in developing countries with high population. The spread can be through food that has been infected with parasites causing giardiasis or contact with infected people.

The causes and the symptoms of Giardia lamblia
image by Derneumann/Pixabay.

Giardiasis Causes.

Giardiasis is caused by infection with the parasite Giardia lamblia that lives in the intestines of humans and animals and also develops in water, soil, and food. Generally, contamination occurs through water containing giardia or food contaminated with feces from infected humans or animals.

Giardiasis can occur when someone accidentally swallows a parasitic through contaminated water. Both of these are the most common causes of giardiasis. People whose infected with parasites and experience diarrhea can accidentally participate in contaminating water sources. The cases of giardiasis infection through food are rarely found. Usually, a parasite will die by the heat of the food that cooks properly. 

Giardiasis symptoms.

About 90% of patients with giardiasis experience diarrhea. Symptoms of giardiasis usually begin to appear from 1-3 weeks after the person is exposed to parasites. Some symptoms of giardiasis are:
  1. Diarrhea
  2. Belching, flatulence, digestive disorders
  3. No appetite
  4. Mild fever
  5. Nausea
  6. Weight loss drastically

Giardiasis prevention.

Some steps can help reduce the risk of being infected by Giardia parasites, such as:
  1. Wash your hands or use an alcohol-based sanitizer if soap and water are not available. Wash and wash hands always before and after using the toilet or changing diapers, and before eating or processing food to avoid various types of infections.
  2. Filter or boil water before drinking it, especially those from shallow wells, lakes, rivers, or other water sources. Boil water at 158 ° F for 10 minutes before use it.
  3. Routinely check the cleanliness of the water if your water source comes from a well by taking water samples for inspection in a laboratory that handles tests like this.
  4. Avoid consumption of drinks and foods that are not certain cleanliness and safety.
  5. Avoid swimming in ponds, rivers or lakes in polluted areas or have low levels of sanitation. If you still want to swim, try not to swallow the pool, river, or lake water.
  6. Trying to have safe sex.

Giardiasis treatment.

Medications used for giardiasis do not all provide the same results for sufferers.  However, symptoms of critical giardia infection will usually treat with antiparasitic medicines, such given an antibiotic to kill the parasites.


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