Home Remedies for Food Poisoning Introduction Food poisoning is caused due to consumption of contaminated food and water. This problem can cause acute stomach pain, weakness, vomiting, diarrhea and body ache. It is mainly caused by consuming junk and fast food. Home Remedies:- 1. Ginger Ginger gives instant relief from the symptoms associated with food poisoning. It increases the production of hydrochloric acid in the stomach that increase the natural acidity levels of the stomach, to prevent harmful bacteria growth.