Functional vomiting is the forceful expulsion of gastric contents caused by involuntary contraction of the abdominal muscles and relaxation of the gastric fundus and lower esophageal sphincter. Chronic unexplained vomiting has had many names in the past, and for a long time it was called psychogenic vomiting because psychological factors were considered the most likely cause.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
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This information is for health education only and is not a diagnosis. Please consult a qualified clinician if you feel unwell.