Hydrocodone 10/500 is part of a drug specification that is known as the narcotic pain relievers. Acetaminophen is a less efficient drug but what it does is enhance the effects of hydrocodone. The combination of these two drugs helps relieve severe to moderate pain. It is a narcotic analgesic that is also orally used as an antitussive or a cough suppressant. However, for some users, this medication may entail certain side effects such as an allergic reaction, hives, and difficulty in breathing, selling of your face, lips, tongue or throat. Other serious side effects may include shallow breathing, slow heartbeat, fainting, seizures and nausea. In case any of these occur, the doctor must be contacted with, immediately. Also, an overdose of this drug can lead to damage in your liver or even death. This drug also has a potential for addiction. This drug may also impair your hearing temporarily and so it is suggested that alert or reflexive activities should be avoided by the patient. This drug is not also to be avoided taken with alcohol.