Winston Pharmaceuticals, Inc. operates as a pharmaceutical company which engages in the discovery and development of products for pain management. It focuses on major pain indications such as episodic cluster headache, chronic migraine headache, neuropathic pain syndromes, osteo and rheumatoid arthritis, and pain and inflammation in inflammatory bowel disease, as well as niche indications. The company was founded by Joel E. Bernstein in 1992 and is headquartered in Vernon Hills, IL.