Allergan plc is an American, Irish-domiciled pharmaceutical company that acquires, develops, manufactures and markets brand name drugs and medical devices in the areas of medical aesthetics, eye care, central nervous system, and gastroenterology. The company is the maker of Botox.
Allergan plc was formed in March 2015 when Irish–registered Actavis plc acquired U.S.–registered Allergan, Inc., and assumed the Allergan name. In 2016, Allergan sold its generic business, Actavis, to Teva Pharmaceuticals for $40.5 billion.
In June 2019, U.S. pharmaceutical company AbbVie announced it had reached an agreement to acquire Allergan for $63 billion. The merged company would be domiciled in the U.S. for tax purposes.