Extra Super Vidalista works by increasing blood flow to the penile area. This helps men maintain and achieve an erection. Maintain the container between 15 and 30 degrees Celsius at room temperature. Any medication that is not being used after the expiration date should be disposed of. It can be taken with or without food. It needs to be taken just as your doctor has advised. One hour is the suggested waiting period before engaging in sexual activity. Flushing, headaches, lightheadedness, blurred vision, tense muscles, upset stomachs, and rashes are the most common side effects of this medicine. Consult your doctor if any of the side effects bother you or do not go away.