If your child is having severe abdominal pain, do not delay calling your physician. The soft spot on top of an infant's head may be depressed. An early sign is a decrease in voiding. Pinworms are intestinal parasites that cause no serious problems but do result in intense anal itching. Sometimes tiny, white, thread-like worms can be seen around the anus at night or first thing in the morning.
Pinworms are contagious, especially in small children.
The condition is easily treated with medication. Lice are tiny light brown parasites about the size of a flea. They are often difficult to find. Their eggs, or nits, are seen as small, white ovals attached to hair. There may be skin changes on the scalp or nape of neck due to bites and scratching.