Kamagra, a medication that contains sildenafil citrate as its active ingredient, belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Like its well-known counterpart Viagra, Kamagra works by increasing blood flow to the penis, facilitating erections in men with ED. Available in various forms including tablets, oral jelly, and effervescent tablets, Kamagra offers flexibility and convenience to users.