GlaxoSmithKline Pharmaceuticals (GSK Rx India), India's leading pharmaceutical manufacturer, makes pharmaceuticals and consumer health care products through its two manufacturing facilities in Nashik and Thane; it also has a clinical development center in Bangalore. Its products include those targeting problems with infections, gynecology, dermatology, diabetes, and the cardiovascular system. Top sellers are Augmentin, Zinetac, Calpol, Phexin, and Betnesol. GSK Rx India also makes vaccines to treat or prevent hepatitis A and B, the flu, chickenpox, and tetanus. Its distribution network stretches throughout the country. UK-based drugmaker GlaxoSmithKline owns GSK Rx India.