Study of syringes collected in Estonian harm reduction services for drug residues 2025

Study summary

A study of syringe residues provides insight into which psychoactive substances are used by people who inject drugs in different regions of Estonia. This chemically objective information helps to:

• gain a comprehensive overview of the regional drug market,
• support early warning systems for users, and
• improve the planning of harm reduction (including overdose prevention) and treatment activities.