Has a sedative effect, has a moderate reflex vasodilator effect due to irritation of sensitive nerve endings. It stimulates the production and release of enkephalins, endorphins and a number of other peptides, histamine, kinins (due to irritation of mucosal receptors), which take an active part in the regulation of vascular permeability, the formation of pain.
At sublingual admission, the therapeutic effect on average comes in 5 minutes, while up to 70% of the drug is released within 3 minutes.