I tend to get stuffy nose and sore throat during mornings after waking up and in the night. I also experience burning eyes. I got a CT scan of my sinus and it is completely fine although I do have a deviated septum . I started facing this issue almost a year back after falling ill with cold . In my blood test my eosinophilia count was slightly high. Do I have an allergy to something? Also which test should I do to rule out allergies .