The practice among intravenous drug users by which a needle or syringe is shared by multiple individuals to administer intravenous drugs, potentially leading to transmission of certain infectious diseases.

A place or service that allows intravenous drug users to obtain new hypodermic needles at little or no cost, often in exchange for used ones.

plural of needle exchange

nightstand; bedside table

Alternative form of notecard

plural of naked oat

Avena nuda, a grass with edible seeds.

Alternative form of nonproprietary

An intravenous drug user who practises needle sharing.

plural of needle sharer