Smelling salts
From Tardis Wiki, the free Doctor Who reference
Members of the Preachers, such as Jake Simmonds, used what appeared to be but were "stronger" than smelling salts, which could render humans unconscious. (TV: The Age of Steel)
Saborian smelling salts were a type of potent smelling salts that were banned in seven galaxies. The Eleventh Doctor used them to revive Rory Williams after he had been taken to a Shakri ship. (TV: The Power of Three)
When waking Colin Colchester-Price up, St John Colchester said that he wished that smelling salts had not gone out of fashion. (AUDIO: Night Watch)
