Aspirin for its health effects for at least 2,400 years. In 1853, chemist Charles Frédéric Gerhardt treated the medicine sodium salicylate with acetyl chloride to produce acetylsalicylic acid for the first time. For the next fifty years, other chemists established the chemical structure and came up with more efficient methods to make it. In 1897, scientists at the Bayer company began studying acetylsalicylic acid as a less-irritating replacement medication for common salicylate medicines. By 1899, Bayer had named it "Aspirin" and sold it around the world. Aspirin's popularity grew over the first half of the twentieth century leading to competition between
Medicine in the medieval Islamic world include "A Dissertation on the causes of the Coryza which occurs in the spring when roses give forth their scent", a tract in which al-Razi discussed why it is that one contracts coryza or common cold by smelling roses during the spring season, and "Bur’al Sa’a" ("Instant cure") in which he named medicines which instantly cured certain diseases. "Ibn Sina", more commonly known in west as Avicenna was a Persian polymath and physician of the tenth and eleventh centuries. He was known for his scientific works, but especially his writing on medicine. He has been described as the "Father of