Find the latest GSK plc (GSK) stock quote, history, news and other vital information to help you with your stock trading and investing. GlaxoSmithKline (GSK) makes popular medicines like Advair and Excedrin. Some of the company's health care products led to personal injury lawsuits. GSK plc (an abbreviation of its former name GlaxoSmithKline plc) is a British multinational pharmaceutical and biotechnology company. [3][4] It was established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham, [n 1] which was itself a merger of a number of pharmaceutical companies around the Smith, Kline & French firm. The homepage of the GSK USA website Explore GSK for You, which has a range of programs and support to help eligible patients. Find free trial offers, copay assistance, and patient assistance programs. Find more information a patient assistance program to help eligible patients receive certain GSK prescription medicines and vaccines at no cost. Find the latest GlaxoSmithKline news and updates from the BBC. At GSK, we unite science, technology and talent to get ahead of disease together GlaxoSmithKline manufactures, markets and/or distributes more than 56 drugs in the U.S. GlaxoSmithKline Pharmaceuticals Ltd is an Indian research-based pharmaceutical and healthcare company, and a subsidiary of GSK. [4][5] The company's product portfolio includes prescription medicines and vaccines. Its prescription medicines range across therapeutic areas such as anti-infectives, dermatology, gynaecology, diabetes, oncology, cardiovascular disease, and respiratory diseases. It.