Anug caused by
ANUG is linked to bacterial overgrowth around the gums, with contributing effects from poor hygiene, stress, smoking, and illness.
The short answer
ANUG is an acute gum infection caused by overgrowth of bacteria in damaged gum tissue, often with contributors such as plaque buildup, smoking, stress, poor nutrition, or reduced immunity.
What does ANUG mean and how does it affect the gums?
ANUG stands for acute necrotizing ulcerative gingivitis. The infection affects the gingival margin and the papillae between teeth, where tissue can break down and become tender.
What should you do if ANUG may be present?
Arrange an urgent dental examination. A dentist can gently remove surface deposits, assess the gum tissue, clean the area, and prescribe antimicrobial treatment when the clinical findings call for it; keep brushing gently and do not scrape the ulcers.
When do painful or damaged gums need urgent care?
Seek prompt care for painful bleeding gums, punched-out gum edges, gray tissue, fever, facial swelling, or difficulty eating. Emergency assessment is needed if swelling affects breathing or swallowing, or if you feel severely unwell.
What should you ask about treating and preventing ANUG?
Ask whether the findings are ANUG or another gum infection, whether professional debridement or medication is needed, and which factors may be maintaining the infection. Ask when a follow-up cleaning and periodontal assessment should occur.
Frequently asked questions
Can ANUG clear without treatment?
The pain or odor may fluctuate, but damaged gum tissue and the underlying infection need dental assessment and treatment.
Is ANUG contagious?
The condition is not usually treated as a simple person-to-person illness; avoid sharing toothbrushes and seek care for the infected gums.
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Who wrote this page
This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.
This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.