Wet or dry inside nose can have various causes, ranging in severity from 'troubling' to 'very serious'. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose wet or dry inside nose, we could:
How moist is the inside of your nose normally, when you are not ill and not suffering from any allergic reaction?
Possible responses:→ Too dry
→ Quite dry
→ Normal / don't know
→ Quite moist
→ Very moist - tends to run