Phosphodiesterase Type 5 Inhibitors and Erectile Dysfunction

Erectile dysfunction (ED) affects millions of men globally and may adversely affect his, and potentially his partners', quality of life. The introduction, a decade ago, of the phosphodiesterase type 5-(PDE5-) inhibitors has revolutionised the management of ED. The PDE5- inhibitors have provided an effective and patient acceptable therapy for ED. They have had a huge impact on public awareness and understanding of this disease. This article provides an overview of erectile dysfunction and the pharmacology, efficacy, safety and optimal use of the PDE5 inhibitors.