Vidalista 20 mg can be taken with or without food, according to your doctor’s advice. Take the tablet 30-60 minutes before sexual activity. When a person is sexually stimulated, blood can enter the penis, resulting in an erection. This medicine only works in conjunction with sexual stimulation to help you achieve an erection. Follow your doctor’s recommendations regarding the dosage and duration of this medicine. Never consume, break, or crush it. Avoid drinking while taking this medication since it increases the risk of undesirable side effects. The most common side effects of this medicine include flushing, headaches, lightheadedness, blurred vision, tense muscles, upset stomach, and rashes.