비아그라에 대해 알아야 할 고려 사항

an erection that will not disappear (priapism). Should you have an erection that lasts a lot more than 4 hrs, get healthcare assistance instantly. If It isn't dealt with straight away, priapism can forever harm your penisTend not to acquire Viagra if you are also using a nitrate drug for chest discomfort or heart issues, which includes nitroglyceri