Hydrocodone is a leading painkiller medication; that is used to treat various pains like muscle pain, back pain, chronic pain, acute pain, spinal cord pain, joint pain, toothache, headache, stomach pain, and knee pain. It is an FDA-approved medication; a powerful combination of an opioid medication Hydrocodone and a non-opioid medication Acetaminophen. Take it, directly by mouth with or without taking any food, with one glass of water. The dosages of Hydrocodone which is very strong:-