Cost Effectiveness of Combination Therapy Versus Monotherapy in Benign Prostatic Hyperplasia: A Colombian Experience.

•A significant number of patients with benign prostatic hyperplasia are treated with pharmacological alternatives chronically. This treatment supposes an important medical cost in developing countries.•This study showed that finasteride alone and combined with doxazosin are efficient alternatives in treating patients with benign prostatic hyperplasia who require medical treatment in the Colombian health system.•The combination therapy is the most efficient pharmacological alternative for benign prostatic hyperplasia because it reduces the number of acute urinary retention episodes, the severity of symptoms, and the probability of surgery.