Most Helpful Guy
Yes, purging is a form of self harm, whether you know it's harmful or not. Vomiting serves a purpose but it does not come without consequences. It is not harmful to long term health in small and infrequent doses. If you make it a frequent occurrence then it can cause long term health problems, not to mention wearing away the enamel on your teeth.
Most Helpful Girl
Yes it's an eating disorder. Those can be formed even if it's not based on body image