ARS Pharmaceuticals, Inc. is a biopharmaceutical company, which focuses on the development of a novel, potentially first-in-class product candidate, neffy, for the emergency treatment of Type I allergic reactions including anaphylaxis. The company is headquartered in San Diego, California and currently employs 158 full-time employees. The company went IPO on 2020-12-04. The firm is commercializing neffy, an epinephrine nasal spray indicated in the United States for emergency treatment of Type I allergic reactions, including anaphylaxis, in adult patients and pediatric patients who weigh 33 lbs. or greater, and in the EU for emergency treatment of allergic reactions (anaphylaxis) due to insect stings or bites, foods, medicinal products, and other allergens as well as idiopathic or exercise induced anaphylaxis in adults and children who weigh 30 kg or greater. neffy is an FDA and European Commission (EC)-approved needle-free epinephrine product, and also has approvals in the United Kingdom, Japan, Australia, and China. The company is advancing its nasal spray development program across multiple Type I hypersensitivity reactions, including acute flares of urticaria.