See Cyclic Vomiting Syndrome.

a type of migraine in which the pain is not located in the head but rather in the upper part of the abdomen. The pain lasts only a few hours. Those afflicted with abdominal migraine are usually children, mostly girls with a family history of migraine. Like migraine headaches, the attacks of abdominal migraine are recurrent and are often accompanied by a headache.

Some children get bad pains in their stomach from time to time. The pain is usually in the middle of their tummy, around their tummy button but sometimes the pain goes through to their back. They usually don't feel like eating and may also feel sick or be sick.