Old API Wind-down Ltd. operates as a specialty pharmaceutical company in the United States and Canada. It engages in acquiring, developing, and commercializing products in the areas of cardiovascular, pain management, dermatological allergy, and other indications. It offers Zontivity for the reduction of thrombotic cardiovascular events in patients with heart attack or peripheral arterial disease; Toprol-XL, a cardioselective beta-blocker that is indicated for the treatment of hypertension; Fibricor, a fenofibric acid for the treatment of severe hypertriglyceridemia and patients with primary hypercholesterolemia or mixed dyslipidemia; and Blexten, an antihistamine drug for the symptomatic relief of allergic rhinitis and chronic spontaneous urticarial. The company also markets Cambia, a non-steroidal anti-inflammatory drug (NSAID) for the acute treatment of migraine attacks; Soriatane for the treatment of severe psoriasis and other disorders of keratinization; Proferrin, an iron supplement; Fiorinal and Fiorinal C for the relief of tension type headaches; and Bezalip SR, a pan-peroxisome proliferator-activated receptor activator to treat hyperlipidemia, as well as to increase insulin sensitivity and decrease blood glucose levels for the patients with metabolic syndrome. In addition, it provides out-licensed products, which include VIMOVO for the relief of the signs and symptoms of osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis, as well as to decrease the risk of developing gastric ulcers in patients at risk of developing NSAID-associated gastric ulcers; and Treximet, a migraine medicine. The company was formerly known as Aralez Pharmaceuticals Inc. and changed its name to Old API Wind-down Ltd. in February 2019. The company was incorporated in 2015 and is based in Vancouver, Canada.