According to your query and sign and symptom you want to know about the disease and cause and it's best Treatment as you have mentioned as above as cold , nasal congestion and cough.
Please take consultation for better evaluation and best Treatment as it need complete h history.
Please follow any medicine or advise after consultation only from a good doctor.
Please follow good life style as
• take plenty of fluid and
• take less spicy and fatty foods and
• take home made food only and
do exercise regularly with yoga and meditation and
please keep positive attitude to fight any disease and any problem of your life
Next Steps
Please take consultation for best explanation of your son's problem.
Health Tips
Please take any medicine after consultation from a good doctor.