Eton Pharmaceuticals, Inc. is a pharmaceutical company focused on developing and commercializing treatments for rare diseases. Its commercial rare disease products include Increlex for severe primary IGF-1 deficiency, Alkindi Sprinkle for adrenal insufficiency, Khindivi for adrenocortical insufficiency, Galzin for Wilson disease, PKU Golike for phenylketonuria, Carglumic Acid for N-acetylglutamate synthase deficiency, Betaine Anhydrous for homocystinuria, and Nitisinone for tyrosinemia type 1. The company is also developing several late-stage product candidates, including ET-600 for diabetes insipidus, Amglidia for neonatal diabetes mellitus, ET-700 for Wilson disease, ET-800 for adrenal insufficiency, and the ZENEO hydrocortisone autoinjector for adrenal crisis. Eton Pharmaceuticals, Inc. was incorporated in 2017 and is based in Deer Park, Illinois.