Buy hydrocodone 10 -325 mg  online from a reputable pharmacy.Get a free prescription from your doctor, if you don't already have one. You can find doctors who will write prescriptions for hydrocodone on the internet or in person at clinics that specialize in this type of treatment. Hydrocodone is an opioid pain reliever that is used to treat moderate and severe pain. It affects the brain and nervous system and can be used alone or with other pain medicines. Hydrocodone works differently from other opioids.