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Description A semisynthetic narcotic analgesic prepared from codeine. It is widely used as an antitussive in cough syrups. 
Therapeutic Low 0.0100
Therapeutic High 0.0500
Units ug/mL 
Half Life Low 4.00
Half Life High 0.00
VOD Low 3.30
VOD High 4.70
Toxic Level 0.100
Lethal Level 0.200
Plasma to Whole Blood ratio 0.00
Warnings Hydrocodone is more toxic than codeine, with a greater addiction liability. Warnings - may impair mental and/or physical ability required for the performance of potentially hazardous tasks (e.g., driving, operating heavy machinery).