What drugs are Narcotic Drugs?

Some of the types of narcotic drug and their medical uses include Demerol whose medical use is to treat moderate to severe pain, Ritalin which is used to treat ADHD, Vicodin treats moderate to severe pain and Xanax is used to treat anxiety and panic disorders. Others include Valium which is used to treat anxiety disorders and Ativan which is also good for treating anxiety disorders.