Tooth Worms Begone
During the 15th century, physicians had a rather weird remedy for toothaches. They would light a candle or cigarette and let the smoke enter your mouth. They would then lean your head over warm water and the tooth worms would fall out. These worms were the said cause of the pain.
Red-Hot Pokers
Red-hot pokers were often used to prevent infections in cuts and scrapes. Many believe that this was as painful as the original injury, or close to it. Although it is still used in warzones, it usually leaves the site even more infected than it started out.