Pinworm

Pinworm, also known as also known as threadworm or seat worm, is an intestinal parasite commonly found in humans, especially children. It usually lays its eggs outside of the human body, especially around anus and will cause pruritus ani. People infected with the parasite will experience irritability, insomnia, loss of appetite and bruxism. Infant patients are characterized by repeated crying at night. A repeated infection can affect a chils'a physical and mental health.