sildigra 250mg Male erectile dysfunction (ED) is treated with the extra-strength drug sildigra 250mg.  In comparison to the usual 50 mg or 100 mg forms of Viagra, it has 250 mg of sildenafil citrate, the same active ingredient. How Sildigra 250 mg Works: During sexual excitement, sildenafil, a PDE5 inhibitor, increases blood flow to the penis. When sexually stimulated, this aids in...