Eton Pharmaceuticals, Inc., a specialty pharmaceutical company, focuses on developing and commercializing pharmaceutical products. It primarily focuses on liquid products, including injectable, oral liquid, and ophthalmic products. The company develops EM-100, an ophthalmic product for the treatment of allergic conjunctivitis; ET-202 and ET-203, which are injectable product candidates for use in the hospital setting; ET-103, an oral liquid product candidate for hypothyroidism; ET-101, ET-102, and ET-104, which are oral liquid product candidates for neurological indications; and CT-100, a synthetic corticotropin therapeutic candidate for rheumatoid arthritis. It also develops DS-300, an injectable nutrition product candidate for neonates; DS-200, an injectable nutrition product for use as a supplement to intravenous solutions; and DS-100, an injectable nerve block for the relief of intractable pain. Eton Pharmaceuticals, Inc. was incorporated in 2017 and is based in Deer Park, Illinois.