Kamagra, which contains the active ingredient sildenafil citrate, is used to treat erectile dysfunction in men. Erectile dysfunction often occurs due to insufficient blood flow to the penis. Kamagra Jelly Australia, like Viagra, is a type of medication known as a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing the smooth muscles in the blood vessels of the penis, allowing for increased blood flow. This increased blood flow can help men achieve and maintain an erection when sexually aroused.