A Vidalista Professional It functions by boosting the penis's blood flow. This aids men in getting and keeping an erection. Store in a refrigerator at 15 to 30 degrees Celsius. Prescriptions that have not been opened should be disposed of after the expiration date. It can be taken either with or without food. You should take it exactly as prescribed by your physician. An hour or so should pass before your planned sexual activity. Flushing, headache, dizziness, blurred vision, sore muscles, upset stomach, and rash are the most frequent adverse effects of this medication. If you experience any side effects that are bothersome or do not go away, consult your doctor.