What causes recurrent aphthous stomatitis?

Recurrent aphthous stomatitis (RAS) is very common. The cause is unclear but probably involves multiple factors, including disorders or abnormal function of the immune system, exposure to preservatives and toothpaste ingredients, and a genetic predisposition.

What causes recurrent oral ulcers?

The etiology of chronic recurrent oral aphthous ulcers is still unclear. A variety of underlying disorders may predispose patients to develop oral aphthous ulcers; they include iron deficiency anemia, neutropenia, and folic acid or vitamin B12 deficiency, as well as a selective vitamin B12 resorption defect (e5– e7).

What are the causes of stomatitis?

The most common causes are:

  • trauma from ill-fitting dentures or braces, biting the inside of the cheek, tongue, or lip, and surgery.
  • chemotherapy treatment for cancer.
  • viral infection, such as herpes.
  • yeast infection, such as thrush.
  • any condition associated with xerostomia, or dry mouth.
  • smoking or chewing tobacco.

What is the medical definition for aphthous ulcer?

An aphthous ulcer is the most common ulcerative condition of the oral mucosa, and presents as a painful punched-out sore on oral or genital mucous membranes. They are also called aphthae, aphthosis, aphthous stomatitis and canker sores.

What is the main term for recurring canker sore in the mouth?

Aphthous stomatitis
Other names Recurrent aphthous stomatitis (RAS), recurring oral aphthae, recurrent aphthous ulceration
Canker sore on the lower lip
Specialty Oral medicine, dermatology

How can recurrent aphthous stomatitis be prevented?

Deterrence/Prevention Dietary supplementation with vitamins, zinc, or iron may prevent recurrence of aphthous ulcers (canker sores) in some individuals. Studies of lysine supplementation are preliminary and equivocal. Vitamin B12 supplementation may prevent ulcer recurrence even when B12 values are normal.

How is recurrent aphthous stomatitis diagnosed?

How is recurrent aphthous stomatitis diagnosed? The history and clinical appearance of the ulcers are usually sufficient to confirm the diagnosis of RAS. Blood tests are often arranged to check for any underlying cause. A biopsy is occasionally required to rule out other causes of mouth ulceration.

Is recurrent aphthous stomatitis contagious?

They are benign, non-contagious and can occur as single ulcers or in clusters. In most instances, aphthous ulcers are recurrent – a condition known as recurrent aphthous stomatitis (RAS) – with each episode normally lasting for between 7 and 10 days.

How do you treat stomatitis?

Your doctor may prescribe pain medicines or special mouth rinses. He or she may tell you to quit using some products that may be causing the sores. It can take up to 2 weeks for the sores to heal. Some people with stomatitis also get a yeast infection of the mouth, called thrush.

What are the complications of aphthous stomatitis?

Aphthous stomatitis
Complications Cellulitis (a bacterial skin infection); fatigue; fever; sores that appear outside of the mouth; pain while brushing your teeth, eating, and/or talking
Usual onset 1 to 2 days, before visual appearance
Duration 7-10 days

What autoimmune disease causes canker sores in the mouth?

Areas commonly affected by Behcet’s disease include: Mouth. Painful mouth sores that look similar to canker sores are the most common sign of Behcet’s disease.

What are the symptoms of stomatitis?

Stomatitis may involve swelling and redness of the oral mucosa or discrete, painful ulcers (single or multiple). Less commonly, whitish lesions form, and, rarely, the mouth appears normal (burning mouth syndrome Burning Mouth Syndrome Burning mouth syndrome is intraoral pain, usually involving the tongue, in the absence of intraoral physical signs.

Is stomatitis contagious to adults?

The answer to the question of whether stomatitis is contagious in adults is unambiguous: if it is caused by viruses, yes, it is contagious. Do not share toothbrushes with other people, do not drink from one bottle – and you will be able to avoid infection.

What are the symptoms and causes of aphthous ulcer?

Symptoms. The majority of aphthous ulcers are round or oval with a white or yellow centre and a red border. They develop inside the mouth — on or below the tongue, inside the lips, cheeks or on the soft palate or at the base of the gums. One might notice a burning or tingling sensation a day or two before the pain actually appears.

What causes constant sores in the mouth?


  • Celiac disease.
  • Anemia.
  • Folate deficiency.
  • Hand,foot and mouth disease.
  • Pemphigus vulgaris.
  • HIV and AIDS.
  • Lupus.
  • Crohn’s disease.
  • Irritable bowel syndrome (IBS).