Drug-Induced Seizures - OTIS-CAMPBELL O - Organophosphate, oral hypoglycemics, opioid T - TCA, theophylline I - Isoniazid, Insulin S - Salicylates, Sympathomimetics, Strychnine C - Cocaine, Camphor, CO, CN A - Amphetamines, anticholinergics, amantadine, antibiotics (beta-lactams) M - Methylxanthines P - Pesticides/insecticides, PCP, plants (water hemlock) B - Benzodiazepine withdrawal E - Ethanol Withdrawal L - Lead, lithium, lindane, L - Local anesthetics By Dr. Kathryn Watson @Kat_Watson #Drug #Induced #Seizures #Medication #Causes #Differential #Pharmacology #Diagnosis #OTISCAMPBELL #Mnemonic