Vidalista pills are a prescription medicine 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. It can be taken on an empty stomach or with food. It needs to be taken just as your doctor has advised. You should take it 30 to 60 minutes before you want to have sex. 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. Observe your physician's guidance regarding the amount and timing of this medication.