Symptoms

The symptoms of cyclic vomiting syndrome often begin in the morning. Signs and symptoms include:

• Three or more recurrent episodes of vomiting that start around the same time and last for a similar length of time
• Varying intervals of generally normal health without nausea between episodes
• Intense nausea and sweating before an episode starts

Other signs and symptoms during a vomiting episode may include:

• Abdominal pain
• Diarrhea
• Dizziness
• Sensitivity to light
• Headache
• Retching or gagging

When to see a doctor

Call your doctor if you see blood in your or your child's vomit.

Continued vomiting may cause severe dehydration that can be life-threatening. Call your doctor if you or your child is showing symptoms of dehydration, such as:

• Excess thirst or dry mouth
• Less urination
• Dry skin
• Sunken eyes or cheeks
• No tears when crying
• Exhaustion and listlessness