analgesic agent; antalgic; pain reliever; painkiller (a pain-relieving agent)
* 	analgeticum/analgetica
* 	analgetisch middel ✔
* 	pijnstiller
* 	pijnstillend middel
See: https://en.wikipedia.org/wiki/Analgesic = https://nl.wikipedia.org/wiki/Pijnstillers

anxiolytic agent; antipanic agent; anti-anxiety agent (an agent that reduces anxiety)
* 	anxiolytisch middel ✔
* 	anxiolyticum/anxiolytica
*       angstremmer
*       angst­we­rend mid­del
See: https://en.wikipedia.org/wiki/Anxiolytic = [url]https://nl.wikipedia.org/wiki/Anxiolyse

sedative agent; tranquilliser (an agent that induces sedation or calmness)
* 	kalmerend middel ✔
* 	kalmeringsmiddel
* 	sedatief middel
* 	hypnoticum, hypnotica
*       slaapmiddel
*       sedativum/sedativa
See: https://en.wikipedia.org/wiki/Sedative = [url]https://nl.wikipedia.org/wiki/Sedativa