Bayer nausea and gastric pain. He also said he had invented the name "aspirin" and was the first person to use the new formulation to test its safety and efficacy. Bayer contends that aspirin was discovered by Felix Hoffmann to help his father, who had arthritis. Various sources support the conflicting claims. Most mainstream historians attribute the invention of aspirin to Hoffmann and/or Eichengrün. Heroin (diacetylmorphine), now illegal as an addictive drug, was introduced as a non-addictive substitute for morphine, and trademarked and marketed by Bayer from 1898 to 1910 as a cough suppressant and over-the-counter treatment for other common ailments,
Bayer which occurred with a tenfold greater frequency in patients treated with Baycol in comparison to those prescribed alternate medications of the statin class. Trasylol (aprotinin), used to control bleeding during major surgery, was withdrawn from the market worldwide in 2007 when reports of increased mortality emerged; it was later re-introduced in Europe but not in the US. In 2014 pharmaceutical products contributed €12.05 billion of Bayer's €40.15 billion in gross revenue. Top-selling products included: Bayer produces various fungicides, herbicides, insecticides, and some crop varieties. In 1994 Bayer AG purchased Sterling Winthrop's over-the-counter (OTC) drug business from SmithKline Beecham and merged