Abdominal migraine

Abdominal migraine is a disorder primarily of children which presents with episodes of abdominal pain without an accompanying headache. It is difficult to confirm the diagnosis as there are not a set of features that is specific and thus it can take time before the diagnosis is made. The condition is rare in adults; however, children diagnosed with abdominal migraines may have migraine headaches as adults. 
Signs and Symptoms.
As with other types of migraines, there is no diagnostic test to identify abdominal migraines. Diagnosis is based on symptoms, a family history of migraines, and eliminations of other possible causes. Common migraine triggers may also trigger abdominal migraines.
Symptoms may include:
Diagnosis.
The diagnosis of abdominal migraines was once considered controversial but is now accepted as a common cause of chronic abdominal pain in children. Diagnostic criteria from the International Classification of Headache Disorders are:
Pathophysiology.
Abdominal migraines are a type of functional pain.
History.
This condition was first described in 1921 by Buchanan.