Buy Hydrocodone Online. Also, This medication is used to relieve a dry cough, usually caused by the common cold or other conditions as prescribed by your doctor. Also Relieving a cough helps you get more rest and sleep. This product contains 2 medications, hydrocodone, and homatropine. Hydrocodone is an opioid cough suppressant (antitussive) that works on certain centers in the brain to stop the urge to cough. Homatropine belongs to a class of drugs known as anticholinergics. Hydrocodone can be habit forming, especially with prolonged use. But, Take hydrocodone exactly as directed. Do not take more of it, take it more often, or take it in a different way than directed by your doctor.