Modifies a noun

• medication: If taking psychotropic medication, the service user should be on a stable dose prior to starting treatment.

• substance: The United Nations Convention on Psychotropic Substances ( adopted in 1971 ) requires its parties to prohibit LSD.

• drug: I feel at peace... Your flower essences have done what [ several named psychotropic drugs ] have failed to do.

• medicine: The use of psychotropic medicines should be subject to regular clinical audit.

• effect: The reduction of the number of active receptors reduces the psychotropic effect of nicotine.

• plant: Contains a goodly sized chapter on the use of psychotropic plants in meads and wines.