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Worm eggs, shed in the stool of humans or animals infected with adult worms, can contaminate soil or water.

Sources of Human Intestinal Worm Infection Swollen itchy bump on the site of the parasite entry (usually on the foot).Worms, their parts or eggs can be sometimes found in the stool.Abdominal symptoms can last from weeks to months and include: General symptoms may appear few weeks or several months after infestation and include paleness, weakness, tiredness (from anemia due to lost blood sucked by worms), restlessness, disturbed sleep and weight loss (due to loss of nutrients used by worms). Intestinal worms may live in someone’s intestine for years without causing any symptoms. Symptoms of Infestation With Intestinal Worms

Some foods, specifically some animal meats, are more likely to transmit these human intestinal worms. These human intestinal parasites usually gain entry into the gut through the mouth, via contaminated food or water. Therefore intestinal worms are a helminth infestation. A helminth is a medical term for intestinal worms. The presence of parasites of any kind (including intestinal worms) in or on the body is referred to as an infestation. It is more common in developing nations where proper toilet and sewage facilities are limited. Intestinal worms may cause severe infection,s predominantly in children in tropical and subtropical areas. Human intestinal worms are parasites that live in the human intestine, eat bowel content or suck blood from the intestinal wall.