ARS Pharmaceuticals, Inc., a biopharmaceutical company, develops treatments for severe allergic reactions. The company is developing neffy, a needle-free and low-dose intranasal epinephrine nasal spray for rescue medication for people with Type I severe allergic reactions, including anaphylaxis. It serves healthcare professionals, patients, and caregivers. The company was founded in 2015 and is headquartered in San Diego, California.