The global psoriasis drug market is valued at US$ 14.08 billion in 2024, projected to grow at a CAGR of 6.9% to US$ 27.57 billion by 2034. Factors like smoking, alcohol, and cold temperatures increase psoriasis risk, driving market growth, especially in cold climates like the U.S. Key players include Amgen, Eli Lilly, and Novartis, focusing on strategic partnerships and product innovations. Corticosteroids are widely used for psoriasis treatment, prompting increased production by manufacturers.