Verkkothe blue pill, or little blue pill, is a nickname given to the erectile dysfunction treatment viagra due to its appearance. Find out more with our guide. Verkkooften dubbed the little blue pill, viagra (sildenafil) was the first phosphodiesterase 5 (pde5) inhibitor approved to treat erectile dysfunction (ed). Verkkosildenafil (viagra) is taken by mouth to treat erectile dysfunction (ed). You take it only as needed, typically about an hour before sexual activity (but. The “blue pill,” viagra (sildenafil), is a treatment for erectile dysfunction, and it works by increasing blood flow. It is not more effective.