Thanks for choosing health care magic for posting your query.
I have gone through your question in detail and I can understand what you are going through.
well a month is too long for a upper respiratory tract
infection. It would be advisable to get a swab from the throat and get it for culture and sensitivity. the antibiotic identified through the C & S only should be tried.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
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Wish you good health,
Dr. Srikanth Reddy M.D.