Sorry to reply so late. I'm no doctor, and of course, ask your doctor first but I don't think a shot of antibiotics could harm you while you are running fever. I run fever myself when I'm on treatment and it's usually around 99.9-100. You could be herxing because I get the sore throat too, or it may be that yucky cold going around. I had to take antibiotics to get rid of the infection it caused so antibiotics may just help you.
Feel better soon.
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