A bad cold or something serious?

He has had a few days off school and today seems worse with continued cough and some chills at home.

There is no history of asthma.

He looks well hydrated but unhappy; axillary temperature is 37.8°C; heart rate and respiratory rate are minimally elevated for age.

He has a red throat, a dry cough and scattered crackles and wheezes throughout his chest.

You suspect atypical pneumonia but decide he is well enough to be treated at home.

You commence therapy with oral&nbsp