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Wheezing in upper respiratory tract
infections (cough, cold) come from nasal sounds. If it occasional, cough and cold medications are just enough.
If there is constant wheezing without runny nose and only with cough and sneezing
then it may be Asthma. Even I that case He needs Singulair
. When wheezing is severe Inhalation theraphy and oxygen are required.
Regards, Dr. Jagdish