Men who use Kamagra 100 can get and sustain an erection. It is a member of the class of drugs called phosphodiesterase type 5 inhibitors. Kamagra can be taken with food or without food. It must be taken exactly as prescribed by your physician. The recommended amount of time to wait before having sex is one hour. Each takes a different amount of time to complete tasks. This medication's most frequent side effects are flushing, headaches, lightheadedness, blurred vision, tense muscles, upset stomachs, and rashes. If any of the adverse effects annoy you or do not go away, talk to your doctor. They might be able to assist by recommending a different medication or adjusting the dosage.