If this should appear in a dream, look to your life to what your current version of heroin might be.
Heroin
The ultimate opiate, heroin creates an immediate and powerful euphoria that leads to tremendous withdrawal and often dire consequences. As a symbol, it relates to the lengths to which people will sometimes go in order to feel good in the moment despite the negative consequences of the choices that are made. Heroin also relates symbolically to the perpetual cycle of engaging in a certain form of escapism no matter what. Anything can be a setup for an addictive response.