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Chlorpheniramine

Description Is a common over the counter antihistamine used in the treatment of the common cold and hay fever. 
Therapeutic Low 0.0100
Therapeutic High 0.0400
Units ug/mL 
Specimen
Half Life Low 12.00
Half Life High 43.00
VOD Low 5.90
VOD High 0.00
Toxic Level 20.000
Lethal Level 0.000
Plasma to Whole Blood ratio 0.83
Warnings Warnings - may impair mental and/or physical ability required for the performance of potentially hazardous tasks (e.g., driving, operating heavy machinery).