Male erectile dysfunction is treated with Vidalista 20mg, a medication that has FDA approval. It is the only medication that has been proven to alleviate erectile dysfunction symptoms for a maximum of 36 hours. Centurion Lab produces Vidalista in India.The medication Vidalista 20 mg is a PDE-5 inhibitor. The PDE-5 class of medications maintains a relaxed muscular condition and improves blood flow to promote an erection when sexually stimulated. PDE-5 inhibitors are exclusively used to address the physical issues related to erectile dysfunction; they have no effect on interest or sexual desire.