Silagra 100 Mg  is also prescribed by many sexologists and has received positive feedback from the end-user. It’s a medicine that belongs to a group of drugs known as phosphodiesterase type 5 inhibitors, or PDE5 for short. These medicines, which includes Sildenafil help men who suffer erectile dysfunction get and maintain an erection suitable for sex. They work by opening the blood vessels in the penis, the increased blood flow helps maintain an erection.