Chronic vomiting isn't always a stomach problem.
It may be a sign of Cyclic Vomiting Syndrome, also known as abdominal migraine.
The treatment starts at the cellular level.
These girls suffer from those abdominal migraine.
Diagnosing the condition is tricky because at first, the focus is on the stomach.
An expert at Children's Hospital Los Angeles, has zeroed in on mutations to mitochondria, the 'powerhouse' of cells.
Those genetic changes reduce energy production.
Energy-restoring treatments include prescription and over-the-counter medications.
Geneticist Physician, Richard Boles, M.D. says, "A particular medication, amitriptyline, which is now considered the standard of care with mitochondrial disease, coupled with Coenzyme Q10, which is an over-the-counter remedy that you can take that increases energy supply to some degree."
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