what causes sores inside the nose
Another likely cause of sores inside the nose is allergy to chemical fumes, nose piercing, and nasal sprays. This typical manifests itself in itching, redness and irritation inside the nose. Common cold, nasal polyps and lupus are other causes of sores inside your nose.
There are several reasons for nasal sores, most common is bacterial infection resulting into a boil or a furuncle. The blisters of Herpes simplex virus in and around the nose can also cause lot of discomfort and pain. Sometimes a nasal sore heals without any treatment; occasionally they come again and again.