Kamagra 100 is a drug used to treat erectile dysfunction (ED) in males. It includes sildenafil citrate, the same active element as Viagra. Kamagra 100 increases blood flow to the penis during sexual stimulation. It belongs to a class of medications known as PDE5 inhibitors, which relax blood vessels and enhance circulation. When you take the tablet, it normally starts functioning within 30 to 60 minutes and can last up to four hours. Sexual stimulation is essential for it to work well. Kamagra 100 should only be used under medical supervision to guarantee safety and optimum dosage.