2. Phentolamine Antimuscarinic, anticholinergic agents Phentolamine Antidepressants (MAO inhibitors and tryamine-containing foods may lead to hypertensive crisis including symptoms of chest pain, severe headache, nuchal rigidity, nausea and vomiting, photosensitivity, and enlarged pupils) Atropine, Pralidoxime Anticholinesterases (Cholinergics), organophosphates N-acetylcysteine Acetaminophen (Paracetamol) Antidote/Treatments Drug/Toxin