Kamagra 100 is prescribed for the treatment of impotence (erectile dysfunction) in men. It functions by increasing the blood circulation to the penile region of the body, facilitating men in achieving and sustaining an erection. Kamagra 100mg is classified under the phosphodiesterase type 5 (PDE 5) inhibitors group of medications. During the exploration of potential applications of PDE 5 inhibitors for hypertension and angina, researchers incidentally discovered its effectiveness in addressing erectile dysfunction in males.