Hydrocodone is an FDA-approved medication; it is also known as dihydrocodeinone. This opioid medication used to treat pain and cough suppressant; it takes action after taking 10-20 minutes. The Form of Hydrocodone is Hydrocodone 5-325 mg, Hydrocodone 10-325 mg, Hydrocodone 10-500 mg , Hydrocodone 10-650 mg , and, Hydrocodone 10-660 mg.