BELLUS Health, Inc. is a biopharmaceutical development company which engages in the research and development of novel therapeutics for the treatment of chronic cough and other hypersensitisation disorders. Its product, BLU-5937, is being developed for the treatment of chronic cough and chronic pruritus, or chronic itch. The company was founded on June 17, 1993 and is headquartered in Laval, Canada.