Sildigra 250 Mg is a treatment for erectile dysfunction. It is a pill that is taken one hour before sexual activity. Sildigra 250 Mg is an ED medication manufactured by RSM Enterprises. Sildigra 250 Mg is taken by mouth, and the active ingredient is sildenafil citrate. Sildenafil citrate is a type of medicine called a phosphodiesterase inhibitor. It works by relaxing the blood vessels in the penis and increasing blood flow to the penis when sexually aroused. This helps to create an erection when needed.