Vidalista 40 mg is a prescription medication that is used to treat erectile dysfunction in men. It works by increasing blood flow to the penile area. This helps men maintain and achieve an erection. Vidalista 40 mg can be taken anyway, with or without food. It needs to be taken just as your doctor has advised. It is advised to wait between 30 and 60 minutes before engaging in sexual activity. For this drug to help you get an erection, you need to be sexually stimulated. However, you shouldn't use this drug if you don't have erectile dysfunction. It needs to be taken once daily at most. Do not chew or crush the drug before taking it with water. It is not advised to take it with alcohol.