Filagra Oral Jelly is a medication used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate, the same active ingredient found in Viagra. The oral jelly form of the medication provides an alternative to traditional tablets, offering faster dissolution and absorption. Sildenafil citrate inhibits phosphodiesterase type 5 (PDE5), an enzyme that breaks down cGMP. By blocking PDE5, sildenafil increases the levels of cGMP, which helps relax the smooth muscles in the penis and improves blood flow, facilitating an erection when sexually stimulated.