Hydrocodone 10/325mg is a combination medication used to manage moderate to severe pain. Hydrocodone is a potent pain reliever that belongs to a class of drugs known as opioid analgesics. It works by binding to specific receptors in the brain and spinal cord to decrease pain perception. The other active ingredient in this medication is acetaminophen, which is a non-opioid pain reliever that enhances the effects of hydrocodone. The numbers 10/325 indicate that each tablet contains 10mg of hydrocodone and 325 mg of acetaminophen.