Tests and diagnosis

By Mayo Clinic Staff

Cyclic vomiting syndrome can be difficult to diagnose. There's no specific test that will confirm the diagnosis, and vomiting is a sign of many diseases and disorders that must first be ruled out.

The doctor will start by asking about your child's or your medical history and conducting a physical exam.

After that, the doctor may recommend:

  • Imaging studies — such as endoscopy, CT scan or magnetic resonance enterography — to check for blockages in the digestive system or signs of other digestive conditions
  • Motility tests to monitor the movement of food through your digestive system and to check for digestive disorders
  • Laboratory tests to check for thyroid problems and other metabolic conditions
  • MRI to check for a brain tumor and other central nervous system disorders
April 19, 2013