Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain itchy and watery eyes along with severe cough and
sore throat seems to be due to
allergic reaction to some unknown allergen and the common causes can be dust,pollen, animal danders, at times certain grasses, trees and mold can also cause allergic reaction..
I would suggest you to consult an Allergist and get evaluated and a thorough clinical evaluation can help in diagnosis and investigations like RAST test,
Patch test, food challenge test can help in diagnosis and treatment can be done accordingly..
You can be advised a course of anti allergic medicines like Levocetrizine, Allegra,
Benadryl etc..
Steroid nasal sprays can also be advised along with steam inhalations..
An
immunotherapy can be instilled to reduce the severity of allergy symptoms..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.