Upper respiratory infection is best treated by broad spectrum antibiotics like cephalosporins. The culture would have also given the spectrum of sensitivity to various antibiotics. Depending on that the specific medication can be given
Type of bacteria does not really guide treatment of tonsillitis. If you have acute tonsillitis with pain and difficulty in swallowing then you need to take broad spectrum antibiotics for a week along with painkillers and antiseptic mouth gargle
Next Steps
Consult nearby ENT specialist for confirmation of diagnosis and appropriate treatment if required
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