We don't have synonyms for allergan yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are allergy, alderman and allergic.
(N) :
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.
(N) :
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.