You might have
allergy to dusts, smoke, animal dander,
cold and pollen. The permanent treatment of allergy is avoidance of allergens. There is no medicine which permanently allergy. You have to identify those allergens and try to avoid them. Allergens test is available in some select laboratories. Find out those laboratories nearby your area and get tested for allergens.
Advice
1.
Levocetirizine 5 mg daily per oral for 5 days
2.
Albendazole 400 mg per oral at bed time for 3 days
3. Do gargle with slight warm salt water four times daily
4. Avoid dust,
smoking, alcohol, dry & cold environment and spicy food
5. Use face mask whilst in outdoor
6. Avoid using air condition
7. Investigation
a. allergens test
b. total & differential count of WBC
I hope this information will help you. I will be happy if you ask another question
Thanks
Hair fall