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​What complications can occur as a result of a cyclic vomiting episode?​
Severe vomiting and retching during cyclic vomiting episodes can result in complications such as:​

• Dehydration 
• Oesophagitis (inflammation of the gullet lining) a tear in the lining of the gullet
• Tooth decay 
• Gastroparesis (where the stomach cannot empty itself of food in the normal way)
• Gastroenteritis 
• Mallory-Weiss tears 

What other health problems do people with cyclic vomiting syndrome have? 
People with cyclic vomiting syndrome may have other health problems, including.

• migraines
• anxiety and depression 
• gastroparesis
• autonomic nervous system disorders 
• high blood pressure
• gastroesophageal reflux disease
• irritable bowel syndrome