Water Purification to Prevent Giardia

1. Boil the water before using it for drinking, cooking, washing hands or dishes, or brushing your teeth.
2. Add a chemical disinfectant to the water.
3. Filter the water using a commercial filter specially designed for treating water.

Where is Giardia most commonly found?

Giardia parasites are found in lakes, ponds, rivers and streams worldwide, as well as in public water supplies, wells, cisterns, swimming pools, water parks and spas. Ground and surface water can become infected with giardia from agricultural runoff, wastewater discharge or animal feces.

How common is Giardia in water?

Reported Giardia levels have ranged from 10,000 to 100,000 cysts/L in untreated sewage, 10 to 100 cysts/L in treated sewage, and 10 or few cysts/L in surface water sources and tap water. Cysts have also been detected in cisterns and in wells contaminated by surface water or sewage.

Can you get Giardia from contaminated water?

Contaminated water is a major source of the spread of giardiasis. Giardia cysts can survive in lakes, ponds, creeks and streams. You can become infected if you drink or accidentally swallow water while you swim. You can also become infected by eating raw or undercooked food contaminated with cysts.

How do you get rid of parasites in water?

Boiling drinking water for 1 minute to kill the parasite. This will ensure safe drinking water during community-wide outbreaks caused by contaminated drinking water.

What is the only way to get rid of giardia?

When signs and symptoms are severe or the infection persists, doctors usually treat giardia infection with medications such as: Metronidazole (Flagyl). Metronidazole is the most commonly used antibiotic for giardia infection.

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.

Does a Brita filter remove Giardia?

In a word, no. Brita-type filters are designed to take out waterborne contaminants such as chemicals, and to remove sediment. They aren’t at all intended to “purify” water or remove biological nasties such as giardia.

Can a water filter remove Giardia?

Look for a filter that has a pore size of 1 micron or less. This will remove microbes 1 micron or greater in diameter (Cryptosporidium, Giardia).

Does Giardia stay in your system forever?

How long will symptoms last? Symptoms generally last anywhere from 2 to 6 weeks. In people with weakened immune systems (e.g., due to illness such as HIV), symptoms may last longer.

The most common symptom is diarrhea, which can be acute or chronic. Left untreated, a giardia infection can cause serious GI inflammation, chronic diarrhea, malabsorption and other digestive issues, and weight loss.

Can Giardia go away without treatment?

In otherwise healthy people, giardiasis generally goes away completely within weeks, with or without treatment. In some cases, Giardia can be a long-term problem if it is not treated. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

How do you catch Giardia?

Giardiasis can be spread by: Anything that comes into contact with feces (poop) from infected humans or animals can become contaminated with the Giardia parasite. People become infected when they swallow the parasite. It is not possible to become infected through contact with blood.

Can you die from giardia?

Giardia are not killed by standard chlorination of drinking water. If there are deficiencies in water filtration, or if there is sewage contamination of water, giardial infection can be transmitted. You may also become infected through direct contact with someone who has giardia.