Sentence:  You are hereby notified that my <WSD>embrocations</WSD> burn and tingle as if distilled from liquid flame. My medicines taste vilely, of cimiter, dogbane and gall: the body quickly returns to robust health so that it need assimilate no more of my foul concoctions! That is the secret of my success. 
Meaning of the word marked with <WSD> tags:  The liquid or lotion with which an affected part is rubbed.