Rumination disorder is an eating disorder that causes people to spit up (regurgitate) swallowed food.
Spitting up food isn't the same as throwing up (vomiting Nausea and Vomiting in Adults Nausea is an unpleasant feeling of needing to vomit. People also may feel dizziness, vague discomfort in the abdomen, and an unwillingness to eat. Vomiting is a forceful contraction of the stomach... read more ). Throwing up is forceful and uncomfortable. Material from your stomach shoots out of your mouth.
People with rumination disorder may: