Hydrocodone is used to treat suppressant coughs and acts as a reliever in moderate to severe chronic pain that requires continuous stimulation. According to the studies it is the composition of acetaminophen or ibuprofen. It blocks the cell of the central nervous system which stops the signal of pain to the brain. Hydrocodone acetaminophen is a drug substance that is used to control high risk of addiction and dependency. Hydrocodone side effects are mostly breathing problems which start during the beginning of the treatment and it becomes life threatening when increased dosage.