Take two Aspirin ... and maybe some Alka-Seltzer antacid and One-a-Day vitamins to be on the safe side. Bayer Consumer Care manufactures parent company Bayer's line of over-the-counter drugs and nutritional supplements. Its products include analgesics, cough and cold medicines, dermatology care, and gastrointestinal remedies. The second largest manufacturer of OTC drugs in the world, the division has production facilities in Europe, North America, Latin America, and Asia and sells its products in over 100 countries at pharmacies and other retail outlets. It offers over 170 products including the ubiquitous Aspirin, as well as Aleve, Alka-Seltzer, Claritin, Midol, Canesten, Bepanthen, Supradyn, Rennie, and One-a-Day.