I have gone through your query.
It suggests that you are suffering from the allergic rhinitis
with crusting in the right nostril
You may take --
1. Anti allergic medications
2. Liquid paraffin
nasal drop 5 drops 5 times a day
3. Alkaline nasal douche.
Consult the ENT specialist
for better diagnosis and management.
If you have any doubt, I will be available for your query.
Wish you good health