Eating disorders induced by drugs, especially anorexia, nausea and vomiting are frequently reported as side effects of many available drugs. Since such disorders can affect patients' quality of life, suitable treatment plans based on the mechanisms of their induction are warranted. Eating disorders induced by drugs can be classified according to the mechanism of their induction into disorders resulting from: 1) gastrointestinal mucosal injury; nonsteroidal antiinflammatory drugs, antibiotics, etc. 2) chemical stimulation of the central nervous system; anticancer drugs, morphine, digitalis, etc. 3) non-specific symptoms following other systemic side effects; drug-induced depression, liver derangement, etc. This review addresses the aforementioned points and the best countermeasures that should be tried for successful control of these disorders.