A cutting-edge treatment for erectile dysfunction is Vidalista 20mg. The smooth muscles in the penile blood vessels relax when a person is sexually aroused, which promotes an erection and increases blood flow. It usually happens 30 to 60 minutes before having sex, and its effects might linger for up to 36 hours. Keep it out of the bathroom and other damp places. Before the expiration date, always use. There have been some mild side effects of this medication, including nausea, back discomfort, muscle aches, lightheadedness, and vision changes.