Sildenafil Citrate is the active ingredient in the pill Suhagra. It's a generic form of the brand-name medication Viagra, which is used to treat male erectile dysfunction (ED). It helps men achieve and sustain an erection by boosting blood flow to the penis during sexual stimulation. One pill taken orally approximately one hour prior to scheduled sexual activity is usually the suggested starting dose. You can take Suhagra with or without food. Never take more than one dose in a single day. permits titration and dosage modification according to effectiveness and adverse effects.