Does a Child with Mycoplasma Infection Need Medication Treatment?

The child has mycoplasma infection and is undergoing intravenous drip treatment with rifampicin (300,000 units per bottle) 1.5 bottles. Consulted two doctors, one suggesting simultaneous oral azithromycin, the other believing no oral medication is needed. As a parent, I am unsure what to do. Please ask if oral medication is needed, when should it be taken? What should be the interval between the intravenous drip and the medication? Do I need to continue treatment for half a month? Thank you.
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Does a Child’s Fever Correlate with Their Weight?

The child is 1.24 meters tall and weighs 68 jin. They often catch colds and have fevers, but health checks show no deficiencies, and they are strong and taller and stronger than their peers, with a good appetite. Why do they always seem to be sick, while children with less robust physiques seem to get sick less often?
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