"Recreational drugs" refer to substances that people use for the purpose of enjoyment, pleasure, or relaxation, rather than for medical or therapeutic reasons. Full definition
The blossoms and leaves of the hemp plant produce a sticky resin, which has historically been used for a variety of medicinal purposes, and for just as long for recreational drug use. (politics.co.uk)
Breastfeeding and the use of recreational drugs alcohol, caffeine, nicotine and marijuana. (babycenter.com)
Are you an occasional recreational drug user (marijuana or harder drugs), and do not want to take a blood test? (schuermaninsurance.com)