Pfizer and Allergan
US drugs giant Pfizer Inc. has struck upon a deal to buy Ireland based Allergan for 160 billion dollars making it the biggest pharmaceuticals merger deal in history of healthcare sector. The blockbuster merger would create the world’s biggest drugmaker to be called Pfizer Plc with its headquarters in Dublin, Ireland. Currently Pfizer Inc is selling flagship pharmaceutical products like Viagra and cholesterol drug Lipitor, while Allergan is best known for selling anti-wrinkle treatment drug Botox, Alzheimer’s drug Namenda and dry-eye medication Restasis.