An eating disorder is a type of psychiatric illness where the behavioural pattern of an individual, with regards to eating, negatively affects his or her mental and physical health. One of these disorders is bulimia nervosa, also known simply as bulimia. Bulimia is characterized by the classic cycle of binge eating followed by purging. This diagnosis in itself can be challenging to make because it involves careful consideration of other disorders and fulfilment of certain criteria according to DSM. Although many different theories exist about the etiology of the disease, no agreement has still been reached in the scientific community. Both biological factors, in terms of neurotransmitters and hormones, as well as social factors, specifically unique to each individual, seem to play a role in the etiology. Treatment primarily involves psychotherapy, however, pharmacologic therapy has also been proven to be beneficial. Of all the different drugs available for treatment of the disease, current psychopharmacological research has focused on the selective serotonin reuptake inhibitors (SSRIs). Some researchers have also claimed positive outcomes in light therapy. Bulimia is a serious disorder and should not be taken lightly. Just like any other serious condition, it should be approached with the same intensity for diagnosis and treatment.