What Are the Symptoms of Worms in Humans?


Quick Answer

Symptoms of worms in humans vary largely based on the type of worm present, according to the New Health Guide. The most common types of parasitic infection in humans include tapeworms, pinworms and roundworms. For an intestinal tapeworm infection, symptoms include nausea, diarrhea, weight loss, fatigue and abdominal pain. In rare cases, tapeworms become invasive, causing neurological symptoms, fevers, lumps on the body and bacterial infections.

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A pinworm infection, the most common parasitic infection in the United States, is characterized by intense itching around the anus or vaginal area, nausea, abdominal pain and an inability to sleep, according to New Health Guide. A roundworm infection typically has no symptoms until worms are seen in a bowel movement. When symptoms are present, they include a high fever, dry cough and obstruction of the bowels.

Other symptoms that can indicate a parasitic infection include unexplained rashes, pain and aching in the muscles, and unexplained diarrhea, constipation or gas, according to Mind Body Green. A doctor can determine which type of parasitic infection is present by performing a stool analysis. Most parasites are treated with prescription medication designed to kill that particular parasite, making an accurate diagnosis important. There are also many over-the-counter herbal supplements that are functional in killing common intestinal parasites.

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