The passing out episodes may be related to a vasovagal reaction, that is, due to an unpleasant stimulus such as pain or nausea
, the body transiently decreases pulse and pressure, reducing perfusion to be brain and leading to near fainting or fainting spells
. The cause of the post prandial vomiting
though needs to be investigated; pregnancy
must be ruled out as well.
Dr Brenes-Salazar MD
Mayo Clinic MN