Pethidine
Summary
Persistence. It cannot be excluded that pethidine is persistent, due to lack of data.
Bioaccumulation. Pethidine has low potential for bioaccumulation.
Toxicity. It cannot be excluded that pethidine is toxic, due to lack of data.
Risk. Risk of environmental impact of pethidine cannot be excluded, due to the lack of environmental toxicity data.
This summary information comes from fass.se.
Detailed information
Fass environmental information
Fass environmental information for Petidin Viatris (pethidine) from Viatris AB (retrieved on 2026-03-18).
Hazard
Persistence: No data.
Bioaccumulation: Log Pow of 2.72 (unknown method).
Toxicity: No data.
Risk
PEC/PNEC is based on sales data in Sweden in year 2023.
PEC = 4.473*10-5 microg/L.
"According to the European Medicines Agency guideline on environmental risk assessment of medicinal products (EMA/CHMP/SWP/4447/00), use of pethidine is unlikely to represent a risk for the environment, because the predicted environmental concentration (PEC) is below the action limit 0.01 microg/L."
References
Author: Health and Medical Care Administration, Region Stockholm