What is Hydrocodone?Hydrocodone is an opioid used to treat pains. It belongs to the class of antitussives and narcotic analgesics. So sometimes, it acts as a narcotic.Generic Hydrocodonecomes under the brand name Hysingla ER and Zohydro ER. They both are the extended form of Hydrocodone used for the long-term treatment of moderate to severe pain. D