Anticholinergic medication:
Benztropine: 1-2mg in adults over 2 minutes
Diphenhydramine: 25-50mg over 2 minutes
Biperiden
Trihexyphenidyl 2mg PO BID
IV > IM > PO
Symptoms will typically begin resolving in 2-15 minutes but may take up to 90 minutes to completely abate (depends on route in which medication was given)
Patients may require more than one dose of IV medication before symptoms resolve completely
Benzodiazepines
Airway Management
Rare, but may be indicated in patients with severe respiratory distress from laryngeal or pharyngeal<unk> 
Benztropine: 1-2mg in adults over 2 minutes
Diphenhydramine: 25-50mg over 2 minutes
Biperiden
Trihexyphenidyl 2mg PO BID
IV > IM > PO
Symptoms will typically begin resolving in 2-15 minutes but may take up to 90 minutes to completely abate (depends on route in which medication was given)
Patients may require more than one dose of IV medication before symptoms resolve completely
Rare, but may be indicated in patients with severe respiratory distress from laryngeal or pharyngeal<unk>
Dystonic reaction
Chorea
Osmosis partnership
Sydenham's chorea
QT prolongation
Neuroleptic malignant syndrome
Heat edema
Serotonin syndrome