The pattern of British drug service provision was transformed during t
he late 1980s. Policy makers and service providers recognised the need
for a more flexible response to changing drug trends and client needs
; consequently community-based services proliferated. HIV has had cons
iderable impact on the working approach of many agencies, where harm m
inimisation is now the immediate goal. This article provides an overvi
ew of patterns of drug use and drug service provision in Britain.