By the late 1980s, Zantac was worth a whopping $2 billion, making it one of the most profitable drugs ever. It accounted for about half of Glaxo's sales and 53% of the market for prescription ulcer medications.
By the late 1980s, Zantac was worth a whopping $2 billion, making it one of the most profitable drugs ever. It accounted for about half of Glaxo's sales and 53% of the market for prescription ulcer medications.