It is possible to take Vidalista CT 20 with or without food. It must be taken exactly as prescribed by your physician. Only when you are sexually stimulated will the ED medication help you achieve an erection. Flushing, headache, blurred vision, muscle soreness, upset stomach, nausea, back pain, and respiratory tract infection are the most frequent adverse effects of this medication. If the side effects are bothering you or are persistent, consult your doctor. As directed by your physician, take this medication for the prescribed amount of time. Avoid chewing, crushing, or breaking it. It is preferable to take it at a set time, even though it can be taken with or without food.