Hi Afton...go to any nearby Kimia Farma.....pharmacy.
They nearly all have a resident doctor in a side-room that deals with clinical issues for a small fee and will advise as to what prescriptions or hospital attention is needed.
If emergency is needed now I suggest go to BIMC Nusa Dua.....
http://bimcbali.com/bimc-siloam-nusa-dua