Qualitest Pharmaceuticals, a subsidiary of Endo International, is a leading generic pharmaceutical company that is committed to improving healthcare and enhancing patient quality of life. With over 40 years of experience, Qualitest Pharmaceuticals develops, manufactures, and markets safe, innovative, and cost-effective generic pharmaceutical products. The company specializes in modified-release oral solid dosage forms, as well as non-oral dosage forms such as nasal sprays, inhalers, patches, and other alternative drug delivery platforms.

Their focus is on providing therapeutically equivalent ANDA-based products, with additional offerings on a case-by-case basis. Qualitest Pharmaceuticals also includes Par Sterile Products, which develops, manufactures, and markets a wide range of branded and generic aseptic injectable products. Their sterile manufacturing facility in Rochester, Michigan is known for its high-quality products and outstanding regulatory compliance.

Customers can find Qualitest Pharmaceuticals' products at major retailers, locally owned pharmacies, and specialty pharmacies, ensuring widespread accessibility. With a dedication to excellence in innovation, development, manufacturing, and commercialization, Qualitest Pharmaceuticals is committed to delivering quality medicines to patients in need, backed by exceptional customer service and support