Men who experience problems with erection and impotence can take vidalista 20 mg.Tadalafil, a component in this medication, helps men achieve a powerful erection during sexual activity. Only guys who are at least eighteen years old should use this medication. This medication can be used either before or after a meal. Consume this medication with water; do not crush or chew the tablet. Follow your doctor's advice when taking this medication. Eat nothing fatty or drink anything cold while taking this medication.