Parasites are not a disease, but they may spread diseases that can be fatal. However, many parasitic infections are treatable and preventable. If a person is experiencing a skin rash, abdominal pain, diarrhea, or other symptoms of a parasitic infection, they should speak with their doctor.
What happens if a human gets a parasite?
Symptoms such as sleeping irregularities, skin irritation, mood changes, and muscle pain can all be caused by the toxins released by the parasites into your bloodstream. These toxins could even cause anxiety, which tends to manifest itself in irregular sleeping patterns or teeth grinding.
What parasites affect humans?
There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Entamoeba histolytica is a protozoan. A microscope is necessary to view this parasite. Credit: CDC.
Do parasites cause harm to us?
It's fair to say parasites are generally bad for their hosts. Many cause disease and death so, like most species, we humans usually try to avoid infection at all costs. But it turns out that some parasites, although potentially harmful in isolation, can in fact help hosts to cope with more deadly infections.
Is parasitic harmful?
By definition, parasites are harmful to their hosts. However, some parasitic infections may have protective effects against other diseases, such as allergies and chronic inflammatory bowel disease (IBD) [1]. Specifically, long-term infections with parasitic worms were shown to decrease allergies and symptoms of IBD.
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