This is a very good question and you have provided much important information.Your son's asthma is normally well controlled but now that he has a cold his asthma has become troublesome. His peak flow reading is low as he should be able to blow about 260 on the peak flow meter. You are correct antibiotics should not been given for a viral infection like this. Your son needs a short course of Prednisone 30mg [6 tablets] in a single dose once daily for 5 days.Give his Ventolin Inhaler 2 puffs 3 times daily for 5 days as well.
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