Moreover, data on women drug users are sparse, further complicating analysis. For those reasons, the present chapter is limited to some salient aspects: drug-related harms, special populations, prevention and treatment, and rehabilitation for drug dependence. Drug-dependent women may face many difficulties: they can experience high levels of stigmatization; they can be ostracized by their family or community; they may be subjected to violence from partners or family members; and they may turn to, or be coerced into, sex work to support their drug use or that of their partner.