Vicodin^® (hydrocodone/APAP) is a drug that is licensed to treat moderate to moderately severe pain. This prescription medication is a type of narcotic and contains hydrocodone and acetaminophen. Vicodin is classified as a controlled substance, which means that special laws and regulations control its sale and use. People who abuse this drug and suddenly stop using it are likely to experience withdrawal symptoms. In addition, an overdose could cause severe, potentially life-threatening problems due to the acetaminophen component.

 

Common side effects seen with Vicodin include nausea, drowsiness, and constipation. Most people tolerate the drug without problems. However, this medication is not suitable for everyone. Those with liver or kidney disease, hypothyroidism, or Addison's disease may not be able to safely take this drug.