This is Dr. David
sounds like you are having very bad gastritis or food poisoning.
this gastritis can be from a viral infection or food poisoning from bacteria in non properly prepared foods.
you can loose a lot of fluid and electrolytes if you continue to vomit.
this can be very serous. best to go to the ER where they can check your blood work and check for dehydration and electrolyte imbalances and can give you IV fluids if you need them and stronger nausea and vomiting medications like zofran.
or this could be due to something else like partial small bowel obstruction from scar tissue in the abdomen. if you have had prior abdominal surgeries, this can cause your small bowel to partially get blocked and cause nausea, vomiting, diarrhea, in some cases, thirst and shaking.
if the scar tissues gets to be too much, there are surgeries such as lysis of adhesions surgeries which can be done to go into your abdomen to cut out scar tissue which could be wrapping around your small bowels.
let me know if you have other questions.
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