Vidalista is used to treat male sexual dysfunction. The medication comprises dapoxetine and tadalafil, which help men's penis tissues receive more blood flow. Men use this medication to treat erectile dysfunction and impotence. Males over the age of 18 should be the only ones using this medication. Do not take this medication regularly as its effects endure for 36 hours. This medication can be used either before or after a meal. Take this medication with water; do not crush or chew the tablet. Follow your doctor's advice when taking this medication.