Vidalista 5 belongs to a class of medications called PDE5 inhibitors. The degradative action of cGMP in the penis is inhibited by PDE5, which relaxes the pulmonary blood arteries, increases blood flow, and produces an erection. Additionally, avoid drinking alcohol while taking 5 mg of Vidalista. If you drink alcohol while taking Vidalista 5, you may get headaches, dizziness, a fast heartbeat, and low blood pressure. This medication can be used with or without food. Within 24 hours, take just one pill. An overdose could result from taking more than that. Discuss your medical history and current medications with your doctor before starting Vidalista 5.