Thanks for writing here.Obimet
sr 500 contains metformin
It is given for weight reduction and increased blood sugar level.
It is not antibiotic and pain killer.
Pus filled boils are due to bacterial infection.
You need to take antiboitics like sporidex
Apply antiboitic cream like t bact.
It will be better to meet a dermatologist
Hope this will help you.Take care.