The most common way this is done is by intravenously infusing medication and fluids. Oral food intake will not resume until the vomiting stops and dehydration has ceased. Food may be given through enteral feeding (by way of intestines) or by parenteral feeding (by injection).
Vitamin supplementation is highly recommended. This is particularly true with vitamin B6, C and thiamine. Without these very important minerals in the body, other complications may develop that can endanger the mother and child. After treatment is done, most persons are stabilized and can slowly be introduced to small amounts of food and fluids.
Doctors will recommend at-home changes as well. These may include plenty of bed rest and avoiding trigger odors/foods that induce vomiting and nausea.
Best in health!
Resources: NORD, National Institute of Health
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