This combination medication is used to relieve moderate to severe pain. It contains an opioid (narcotic) pain reliever (hydrocodone) and a non-opioid pain reliever (acetaminophen). Hydrocodone works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever. This product is https://www.goodreads.com/topic/show/21088064-does-hydrocodone-keep-you-up-blinkhealths-com