Pfizer Ltd. engages in the business of manufacturing, marketing, trading, import and export of pharmaceutical products. Its product offerings include treatment for depression, erectile dysfunction, high cholesterol, human immunodeficiency virus infection, hypertension, bacterial infections and systemic fungal infections, and other chronic therapeutic which includes pain, respiratory, vitamins or minerals, hospital anti-infectives, neurosciences, and cardiovascular. The company key products include Prevenar 13, Lyrica, Ativan, Viagra, Zosyn, Minipress XL, Meronem, Enbrel, Dolonex, Magnex, Amlogard, Trulimax, Daxid, Neksium, Becosules, Gelusil, Mucaine, Folvite, Autrin, Citralka, Corex Range, Anacin, and Anne French. The firm operates through the India and Outside of India geographical segments. The company was founded on November 21, 1950 and is headquartered in Mumbai, India.