(Health-NewsWire.Net, December 14, 2016 ) Depression treatment market is segmented on the basis of antidepressants drugs, devices and therapies. Antidepressants are the largest market segment. Antidepressants are the most popular treatment methods. Every year more than five billion prescriptions are written globally. Antidepressants segment consists of big pharmaceuticals companies like Eli Lily, Pfizer, GlaxoSmithKline and Forest Laboratories. All these companies are branded drug manufacturers. Some of the popular drugs produced by these companies are Cymbalta (Eli Lily) and Effexor and Pristiq (Pfizer). The devices market is the fastest growing market segment.