Parasitic infections can be spread in a number of ways. For example, protozoa and helminths can be spread through contaminated water, food, waste, soil, and blood. Some can be passed through sexual contact. Some parasites are spread by insects that act as a vector, or carrier, of the disease.

Can parasites pass from person to person?

the parasite might be spread to other people through exposure to an infected person's blood (for example, by blood transfusion or by sharing needles or syringes contaminated with blood).

What happens if you have parasitic infection?

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.