GlaxoSmithKline is a pharmaceutical company that provides a range of research and development services for medicines and vaccines. It maintains a staff of more than 99,000 employees and has operations in over 100 countries. The company produces medicines for the treatment of HIV/AIDS, tuberculosis, malaria, asthma, diabetes and digestive diseases. GlaxoSmithKline offers medicines under the Ribena, Horlicks, Lucozade, Aquafresh, Sensodyne, Panadol, Tums and Zovirax brands. It also provides drugs for hepatitis A, diphtheria, cough, typhoid, influenza and mental health diseases. The company offers vitamins, allergy treatment medicines, and lip and ear care products. In addition, GlaxoSmithKline provides dermatological, gastrointestinal, respiratory and oral health care medicines.