Sildigra 100 Opinie is an approved medication to treat Erectile Dysfunction (also known as impotence). Sildigra helps men to achieve an erection by allowing blood to flow through the penis. It contains the vital ingredient Sildenafil Citrate (found in the famous blue pill Viagra). It uses anywhere from 30 minutes to 1 hour to work correctly. Silagra 100 is taken 1 hour before any sexual activity for the best results; also can take this pill with or without food. However, for immediate action, bring it on an empty stomach. The effects of Silagra last for about 4-5 hours.