The benefits of a Kamagra 100 mg tablet usually last for two to three hours before starting to wear off. The effects of Kamagra may last for up to five hours, depending on your dosage, your body's metabolism, and other factors.
Depending on how your body metabolizes sildenafil, you might be able to achieve an erection more than once. It won't, however, probably assist you in staying in bed longer. There isn't enough evidence to claim that it can extend the duration of intercourse.