Any substance, such as a food or in the form of a medicine which has a laxative effect.
Having the effect of moving the bowels, or aiding digestion and preventing constipation.
Any type of numbing or soothing drug.
Any substance or drug that reduces pain, induces sleep and may alter mood or behaviour; in some contexts, especially in reference to the opiates-and-opioids class, especially in reference to illegal drugs, and often both.
Of, or relating to narcotics.
Inducing sleep; causing narcosis.