시알리스에 대한 모든 것
Viagra is always taken as required, usually about an hour ahead of intercourse. You may take Viagra daily, but as the medication only stays within your method for 4 to six several hours, it will not be helpful all day.an erection that won't disappear (priapism). When you've got an erection that lasts in excess of 4 several hours, get health care he