| Mydriasis | | Sympathomimetics | | Cocaine | | Caffeine | | Ephedrine | | Amphetamines | | Methylphenidate | | Cathinones | | Anticholinergics | | Atropine | | Scopolamine | | Antihistamines | | Antiparkinson agents | | Muscle relaxants | | Antispasmodics | | Phenothiazines (some) | | Plants (with belladonna alkaloids) | | Hallucinogens | | LSD | | Mescaline | | Psilocybin | | Designer amphetamines | | Miscellaneous | | Glutethimide | | MAOIs | | Nicotine | | Serotonin syndrome | | Drug withdrawal states | | | Miosis | | Opioids | | Heroin | | Morphine | | Fentanyl | | Hydromorphone | | Oxycodone | | Hydrocodone | | Codeine | | Propoxyphene | | Sedative-hypnotics | | Barbiturates | | Benzodiazepines | | Alcohols (with deep coma) | | Zolpidem and related medications | | Cholinergics | | Nerve agents | | Organophosphate insecticides | | Carbamate insecticides | | Pilocarpine | | Edrophonium | | Physostigmine | | Sympatholytics | | Clonidine | | Oxymetazoline | | Tetrahydrazoline | | Antipsychotics | | Miscellaneous | | Phencyclidine | | | Nystagmus | | Barbiturates | | Carbamazepine | | Phencyclidine | | Phenytoin | | Lithium | | Ethanol | | Toxic alcohols | | Organophosphates | | Scorpion stings | | Strychnine | | MAOIs | | Serotonin syndrome | | Ketamine | |
