Eriacta 100 mg is a medication primarily used to treat erectile dysfunction in men. It contains the active ingredient sildenafil citrate, which belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. Sildenafil works by increasing blood flow to the during stimulation, which helps men achieve and maintain an erection suitable for activity. It does this by relaxing the blood vessels in the, allowing for improved blood flow. Regarding its effect on intensity, similar to other PDE5 inhibitors like Viagra, Eriacta 100 mg primarily focuses on improving erectile function rather than directly influencing intensity. However, some individuals may experience subjective changes in intensity due to improved performance and satisfaction resulting from successful erectile function.