an erection that will not disappear (priapism). In case you have an erection that lasts a lot more than four hrs, get health care assist right away. If It is far from dealt with at once, priapism can forever problems your penis.Th?c ph?m ch?c n?ngD??c m? ph?mCh?m sóc cá nhânThu?cTrang thi?t b? y t???t thu?c onlineTrung tâm Tiêm ch?ngSetiap pro