Hydrocodone is an opioid pain relief medication for managing moderate to severe pain relief pain. It belongs to the drug called opioid analgesic which is indicated for mild to severe pain. Buy Hydrocodone online; it is a semi-synthetic opioid for managing moderate to severe pain. It is available in variants and different strengths, and as per the intensity of the pain, your doctor will choose the correct variant that would suffice and aid pain alleviation.