Which drug is used in intracavernous injection for erectile dysfunction?: (A) Epoprostrenol, (B) Alprostadil, (C) Sildenafil, (D) Tadalafil
Answer is B. AlprostadilQ contains naturally occurring prostaglandin E and, hence has vasodilator action. It can be injected into corpora cavernosa or administered intraurethrally. The firm erection is produced within 2 to 3 minutes and may last for 1 hour. Other injectable medications for erectile dysfunction include: Papaverine Phentolamine