One well-known drug used to treat erectile dysfunction is Kamagra 50 . They are referred to as phosphodiesterase type 5 (PDE5) inhibitors, and they help erections by increasing blood flow to the penis. sildenafil, the active component of Kamagra 50, is a potent medication with enduring effects. By preventing PDE5 enzymes from working, Kamagra tablets help men relax their penile blood vessels, which enables them to get and maintain firm erections during sexual stimulation.