Q: What is the ruling in the matter of using narcotics, such as hashish, opium, heroin, morphine, and marijuana, be it by way of eating, drinking, smoking, injecting or applying them anally? What is the view on selling, buying, and dealing in them in general, i.e. carrying, transporting, storing, or smuggling?
A: It is haram to use narcotics in any way because it results in considerable adverse effects in terms of personal health and social cost. By the same token, it is h?ar?m to deal in narcotics in any way, i.e. carrying, transporting, storing, selling, buying, etc.