During indigestion or gastric troubles, throwing up helps get rid of food that is creating discomfort for the stomach.n2. When you ingest something poisonous, foreign, or rotten. In such scenarios, throwing up acts as a preventable measure to further harm. n3. When you have emetophobia, you might resist vomiting and throwing up treatment can help deal with the fear and anxiety. n4. Excessive substance consumption, such as alcohol, can create difficulties for you, and throwing up helps relieve the excess effects of substances.