irregular vision, such as adjustments in shade eyesight (such as possessing a blue coloration tinge) and blurred eyesightThese are generally not many of the doable Uncomfortable side effects of Viagra® and generic Viagra®. To find out more, question your Health care service provider or pharmacist.Ng??i b?nh c?ng c?n nói chuy?n v?i bác s?, d??c