Novacaine
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Novacaine is a pain-killing drug. It is used primarily to reduce the pain of getting certain shots, and is also used by dentists.
Novacaine was first made in 1905, and was the first main-made pain-killer that could be taken as a shot. It was created by the German scientist Alfred Einhorn (1857-1917) who gave the chemical the name Novacaine, from the Latin word novus (which means new) and caine, as in "cocaine."
Novacaine is not often used today because other safer and better working pain-killing drugs now exist. Prior to the discovery of novacaine, cocaine was the most commonly used pain-killer. Novacaine (like cocaine) has the advantage of reducing bleeding, unlike other pain-killers and without the dangerous qualities of cocaine.