A wide variety of different kinds of pharmaceutical drugs are capable of influencing body weight: Under "drugs" those drugs are listed that may cause weight-loss. Table 7 lists substances that may cause an increase in body weight.
| Steroids | Glycocorticoids |
| Hormone preparations | Androgens, gestagens |
| Psychopharmaceuticals, Neuroleptics |
Phenothiazines, tricyclic antidepressants, anticonvulsants, lithium |
| Migraine drugs | Flunarizine |
| Anti-allergics | Antihistamins |
| Tab. 7: Substance groups capable of causing weight gains | |