Possible Causes of a Painful Lump Inside Your Nostril

A small, hard, immovable, painful lump inside the nostril along the jaw-connected bone may be:

  1. Nasal Furuncle: Boil from infected hair follicle/oil gland; red, swollen, tender.
  2. Nasal Vestibulitis: Bacterial inflammation of nostril lining; small painful lump/crust.
  3. Osteoma: Benign slow-growing bone tumor in nasal cavity/sinuses; hard lump, possible pain.
  4. Dental Infection: Abscessed tooth spreading to jaw bone, causing referred lump sensation.
  5. Cancer: Rare; squamous cell or adenocarcinoma; higher risk with smoking/carcinogen exposure.

Consult an ENT specialist or dentist for accurate diagnosis (imaging/biopsy) and treatment.

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