- Sympathomimetics
- Cocaine
- Caffeine
- Ephedrine
- Amphetamines
- Methylphenidate
- Cathinones
- Anticholinergics
- Atropine
- Scopolamine
- Antihistamines
- Antiparkinson agents
- Cyclobenzaprine
- Antispasmodics
- Phenothiazines (some)
- Plants (with belladonna alkaloids)
- Hallucinogens
- LSD
- Mescaline
- Psilocybin
- Tryptamines (eg, 2C-B, 25I-NBOMe)
- Miscellaneous
- Glutethimide
- MAOIs
- Nicotine (later phase of poisoning)
- Synthetic cannabinoids
- Meperidine
- Withdrawal states from sedative agents
| - Opioids
- Heroin
- Morphine
- Fentanyl
- Hydromorphone
- Oxycodone
- Hydrocodone
- Codeine
- Cholinergics
- Organophosphate insecticides and nerve agents*
- Carbamate insecticides
- Pilocarpine
- Edrophonium
- Physostigmine, rivastigmine
- Sympatholytics
- Clonidine
- Oxymetazoline
- Tetrahydrazoline
- Olanzapine
- Miscellaneous
- Valproic acid
- Nicotine (early phase of poisoning)
| - Barbiturates
- Carbamazepine
- Oxcarbazepine
- Phencyclidine
- Phenytoin
- Lithium
- Ethanol
- Toxic alcohols
- Organophosphates
- Strychnine
- Ketamine
- Methoxetamine
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