Greetings from Dr. Mona's Homeohealth
The symptoms represent Allergic Rhinitis.
This is specific allergy related to nose only , there are lot of allergen which are normally harmless to other people but create intense reaction in immmuno compromised people.
Next Steps
There are many homeopathic medicine available for the same which can give you immediate as well as long term relief for you.
You can consult Dr. Mona's Homeohealth
Health Tips
Avoid strong smelling agents.
Use immunity boosters.