Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concern...
As per your complain and presentation of symptoms it is clear that you are having
allergic reaction to something that is present in your room itself and it can be something present in the air.
Common things that can cause
allergy are animal danders, pollen grains, mold etc..
At times some people are also allergic to certain kind of plants and trees or some room freshening spray contents..
You are not being advised correctly as taking anti-histamines for long durations can cause side effects and you can very well get ruled out for the exact thing that is causing allergic reaction by getting a
blood test done and as there are
antibodies formed in the body against the allergen the exact cause of allergic reaction can be ruled out..
So better consult an Allergic medicine specialist and get evaluated and get blood investigation done so that the exact cause can be ruled out..
Preventing exposure to the allergen is best way of preventing allergic reaction..
If by accidental exposure allergic reaction takes place then you can take anti-allergic medicine..
Hope this information helps..
Thanks and regards..
Dr.Honey Nandwani Arora.