shd have some help o~
first u need to unserstand that once the medicine is entering the body....it will disolve in the plasma and blood in the body and the 藥效will mainly concentrate on the parts u suffer .......going down to the partvu siffered
but this is just a reli reli fundamental step that the doc will give u
so if u find it not useful
go amd buy another one in the pharmacy!