Cenforce 100mg typically starts working within 30 minutes to one hour after ingestion. It is recommended to take Cenforce 100mg approximately one hour before sexual activity to allow sufficient time for the medication to be absorbed into the bloodstream and produce the desired effects. However, individual response may vary depending on factors such as metabolism, diet, and overall health. It's important to note that sexual stimulation is still required for Cenforce 100mg to work effectively. The medication helps in enhancing the natural response to sexual stimulation by increasing blood flow to the penis, resulting in a firm and prolonged erection. Also Know about Cenforce 150mg and Cenforce 200mg.