Vidalista 60mg belongs to a class of pills called PDE5 inhibitors. Its effect causes the blood vessels in your penis to relax. This allows blood to flow to the penis, which causes an erection when a person feels excited sexually. For this pill to help with an erection, you have to be sexually stimulated. It is effective, but it needs to be taken at least 30 to 60 minutes before sexual activity. This pill should not be used if you also take other nitrate-containing medications. Take this pill as directed by your physician, both in terms of dosage and timing. Don't shatter, chew on, or crush it. While taking Vidalista 60mg with or without food is acceptable, it is better to take it at a predetermined time.