Nedocromil

Products Medicines containing nedocromil are no longer available in many countries. The eye drops (Tilavist), nasal spray (Tilarin), and preparation for inhalation (Tilade) are out of commerce, presumably for commercial reasons. This article refers to ocular use. Structure and properties Nedocromil (C19H17NO7, Mr = 371.34 g/mol) belongs to the class of pyranoquinolines and is present … Nedocromil

Market Withdrawal of Drugs

Why is the distribution of medicines discontinued? Drugs are subject to a product life cycle. They are discovered, patented, developed, approved, marketed and, in some circumstances, withdrawn from the market years to decades later. Often, distribution is discontinued due to commercial considerations. For example, the cost of approval and production exceeds the revenue from sales. … Market Withdrawal of Drugs