Sildisoft tablets are a medication used to treat erectile dysfunction (ED) in men. They contain sildenafil citrate as the active ingredient, which is a phosphodiesterase type 5 (PDE5) inhibitor. Sildenafil citrate works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain erections. It belongs to the same class of medications as Viagra, a well-known treatment for ED.