According to United Nations (UN) estimation the number of heroin (diacetylmorphine) user worldwide is in between 15 to 21 millions, out of total more than 50 million users of synthetic drugs. The users of heroin ranges from age 14 to 65 years of age. We all are aware about the abuse/misuse/addiction of heroin, if you or a loved one are abusing heroin, the next step is to research drug rehab centers, but heroin has many medical uses also and due to this reason many countries such as UK; heroin is available as controlled prescription drug. Heroin is used medical practice, where help for addiction to heroin is easily available. This article is about the medical uses of heroin.