Canker Sores Information

Canker sores are small lesions that develop on the soft tissues present on the inside of the mouth. They may occur under the tongue, inside the cheeks or lips or at the base of the gums. However, unlike cold sores, canker sores are neither contagious nor do they occur on the surface of the lips. Though harmless, they make eating and talking very painful and difficult. Very often, a person is affected by more than one canker sore, at a time. In the following lines, we have provided various causes and symptoms of canker sores.

Causes Of Canker Sores

  • Irritation due to rough dentures
  • Certain types of dental braces
  • Vigorously brushing the teeth
  • Certain food allergies
  • Pregnancy
  • Vitamin B12 deficiency
  • Folic acid deficiency
  • Emotional distress
  • Streptococcus sanguis
  • Infection due to certain microorganisms
  • Stress or anxiety
  • Premenstrual syndrome
  • Dietary deficiencies
  • Pickles (due to fermentation)
  • Spicy and oily food
  • Using a mouthwash that contains sodium lauryl sulfate
  • Biting the lips

Symptoms Of Canker Sores

  • Fever
  • Listlessness
  • Swollen lymph nodes
  • Feeling run-down
  • Burning and tingling sensation
  • Pain, especially while eating and talking
  • Shallow ulcer on the tongue or on the inside of the lip or cheek
  • Difficulty in talking and eating



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