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Definition  

Acute necrotizing ulcerative gingivitis (ANUG) is a serious infection of the gums that causes ulcers, swelling, and dead tissues in the mouth.

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Causes  

Acute necrotizing ulcerative gingivitis is typically caused by excess bacteria in the mouth.

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Risk Factors  

ANUG most often impacts people who are 35 years of age and younger. Factors that may increase the risk of ANUG include excess bacteria in the mouth due to:

  • Lack of dental care
  • Poor dental hygiene
  • Poor diet
  • Vitamin deficiencies
  • Infections in the throat, teeth, or mouth
  • A weak immune system
  • Smoking
  • Stress
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Red and Swollen Gums  
Gingivitis

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Symptoms  

Symptoms may include: