Anorexia is known to cause hair loss. Hands shaking may be due to
purging. To be considered bulimia there needs to be bingeing episodes and compensatory behaviors, such as, vomiting, excessive exercise, laxative abuse, etc.
The following is the DSM IV TR criteria for Bulimia Nervosa, purging and nonpurging type:
Recurrent episodes of binge eating characterized by both:
Eating, in a discrete period of time (e.g.