hi please tell me the worms is coming in anal area my son 7 years old.

A. this is called pin worms dear If your child has a pinworm infection, the doctor will recommend an over-the-counter or prescription antiworm medicine. This is given in one dose and repeated in 2 weeks. The doctor may decide to treat the entire family, especially if your child has had a pinworm infection before.hygiene is most important