How long will hycodan (hydrocodone) be in my system?

Hycodan (hydrocodone) Halflife. Hycodan (hydrocodone) is used for cough suppression. It contains htdrocodone for cough suppression and a drying agent to decrease secretions. The average half life is 3.5 - 6 hours, so most of the drug would be inactive in 5 half life's, or 27.5 - 30 hours .

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