could be due to sin
itis, asthma etc.
Are you on any medications currently? Has a CT scan
of your sin
uses, chest xray and lung function testin
g been done? Are you allergic to any specific substances? Have you had allergic reactions in
the past? Do you have any associated symptoms of cough, breathlessness, wheezin
g, fever , etc?
It is not necessary for you to be allergic to any specific substance to have the above symptoms.