Medication typePromote weight gainWeight neutral/variablePromote weight loss
AntidepressantsAmitriptyline, doxepin, imipramine, mirtazapine (Remeron), nortriptyline (Pamelor), paroxetine (Paxil), phenelzine (Nardil)Citalopram (Celexa), desvenlafaxine (Pristiq), duloxetine (Cymbalta), escitalopram (Lexapro), fluoxetine (Prozac), sertraline (Zoloft), venlafaxineBupropion (Wellbutrin)
AntipsychoticsChlorpromazine, clozapine (Clozaril), olanzapine (Zyprexa), paliperidone (Invega), quetiapine (Seroquel), risperidone (Risperdal)Aripiprazole (Abilify), haloperidol, ziprasidone (Geodon)
Cardiovascular agentsAmlodipine (Norvasc), atenolol, felodipine, metoprolol, nifedipine, propranololAngiotensin-converting enzyme inhibitors
Diabetic agentsInsulin, meglitinides, sulfonylureas, thiazolidinedionesDipeptidyl peptidase-4 inhibitorsAlpha-glucosidase inhibitors, glucagon-like peptide-1 agonists, metformin, pramlintide (Symlin), sodium glucose cotransporter-2 inhibitors
HormonesEstrogens, steroidsProgestins, testosterone
HypnoticsDiphenhydramine (Benadryl)Benzodiazepines, trazodone
Mood stabilizersLithiumOxcarbazepine (Trileptal)
Seizure medicationsCarbamazepine (Tegretol), gabapentin (Neurontin), pregabalin (Lyrica), valproate (Depacon)Lamotrigine (Lamictal), levetiracetam (Keppra), phenytoin (Dilantin)Felbamate (Felbatol), topiramate (Topamax), zonisamide (Zonegran)