Dimenhydrinate
Summary
Persistence. It cannot be excluded that dimenhydrinate is persistent, as data are lacking.
Bioaccumulation. Dimenhydrinate has low potential for bioaccumulation.
Toxicity. It cannot be excluded that dimenhydrinate is toxic, as data are lacking.
Risk. Risk of environmental impact of dimenhydrinate cannot be excluded, due to the lack of environmental toxicity data.
This summary information comes from fass.se.
Dimenhydrinate is a 1:1 salt of diphenhydramine and 8-chlorotheophylline. See also diphenhydramine.
Detailed information
Fass environmental information
Fass environmental information for Calma (dimenhydrinate ) from Viatris (retrieved on 2025-06-25).
Hazard
Persistence: No data.
Bioaccumulation: Log Kow = -0.39.
Toxicity: No data.
Risk
Risk of environmental impact of dimenhydrinate can not be excluded as ecotoxicological data are missing.
"According to the European Medicines Agency guideline on environmental risk assessment of medicinal products (EMA/CHMP/SWP/4447/00), use of dimenhydrinate is unlikely to represent a risk for the environment, because the predicted environmental concentration (PEC) is below the action limit 0,01 μg/L."
References
Author: Health and Medical Care Administration, Region Stockholm