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Oral inflammation and ulcers, known as stomatitis, may be mild and localized or severe and widespread. They are invariably painful. 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) despite significant symptoms. Symptoms hinder eating, sometimes leading to dehydration and malnutrition. Secondary infection occasionally occurs, especially in immunocompromised patients. Some conditions are recurrent.
Stomatitis may be caused by local infection, systemic disease, a physical or chemical irritant, or an allergic reaction (see Some Causes of Stomatitis); many cases are idiopathic. Because the normal flow of saliva protects the mucosa against many insults, xerostomia (see Xerostomia) predisposes the mouth to stomatitis of any cause.
The most common specific causes overall include
Recurrent aphthous stomatitis (RAS [see Recurrent Aphthous Stomatitis])—also called recurrent aphthous ulcers (RAU)
Viral infections, particularly herpes simplex and herpes zoster
Other infectious agents ( Candida albicans and bacteria)
Tobacco or irritating foods or chemicals
Chemotherapy and radiation therapy
Some Causes of Stomatitis
History of present illness should ascertain the duration of symptoms and whether the patient ever had them previously. Presence and severity of pain should be noted. The relation of symptoms to food, drugs, oral hygiene materials (eg, toothpaste, mouth rinses), and other substances (particularly occupational exposure to chemicals, metals, fumes, or dust) is sought.
Review of systems seeks symptoms of possible causes, including chronic diarrhea and weakness (inflammatory bowel disease [see Overview of Inflammatory Bowel Disease], celiac disease [see Celiac Disease]), genital lesions (Behçet disease [see Behçet Disease], syphilis), eye irritation (Behçet disease), and weight loss, malaise, and fever (nonspecific chronic illness).
Past medical history should ascertain known conditions that cause oral lesions, including herpes simplex, Behçet disease, inflammatory bowel disease, and risk factors for oral lesions, including immunocompromised state (eg, cancer, diabetes, organ transplant, use of immunosuppressants, HIV infection). Whether chemotherapy or radiation therapy has ever been used to manage cancer needs to be determined. Drug history should note all recent drugs used. History of tobacco use should be noted. Social history should include sexual contact, particularly oral sex, unprotected sex, and sex with multiple partners.
Vital signs are reviewed for fever. The patient’s general appearance is noted for lethargy, discomfort, or other signs of significant systemic illness.
The mouth is inspected for the location and nature of any lesions.
The skin and other mucosal surfaces (including the genitals) are inspected for any lesions, rash, petechiae, or desquamation. Any bullous lesions are rubbed for the Nikolsky sign (upper layers of epidermis move laterally with slight pressure or rubbing of skin adjacent to a blister).
Occasionally, causes are obvious in the history (eg, cytotoxic chemotherapy; significant occupational exposure to chemicals, fumes, or dust). Recurrent episodes of oral lesions occur with RAS (see Recurrent Aphthous Stomatitis), herpes simplex, and Behçet disease. History of diabetes, HIV infection or other immunocompromise, or recent antibiotic use should increase suspicion of Candidainfection. Recent drug use (particularly sulfa drugs, other antibiotics, and antiepileptics) should increase suspicion of Stevens-Johnson syndrome (SJS—see Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN)).
Some causes typically have extraoral, noncutaneous findings , some of which suggest a cause. Recurrent GI symptoms suggest inflammatory bowel disease or celiac disease. Ocular symptoms can occur with Behçet disease and SJS. Genital lesions may occur with Behçet disease and primary syphilis.
Some causes usually also have extraoral, cutaneous findings .
Cutaneous bullae suggest SJS, pemphigus vulgaris, or bullous pemphigoid (see Bullous Pemphigoid). Prodrome of malaise, fever, conjunctivitis, and generalized macular target lesions suggests SJS. Pemphigus vulgaris starts with oral lesions, then progresses to flaccid cutaneous bullae. Bullous pemphigoid has tense bullae on normal-appearing skin. The Nikolsky sign is usually positive in SJS and pemphigus vulgaris.
Cutaneous vesicles are typical with chickenpox or herpes zoster (see Herpesviruses). Unilateral lesions in a band along a dermatome suggest herpes zoster. Diffuse, scattered vesicular and pustular lesions in different stages suggest chickenpox.
Kawasaki disease (see Kawasaki Disease (KD)) usually has a macular rash, desquamation of hands and feet, and conjunctivitis; it occurs in children, usually those < 5 yr. Oral findings include erythema of the lips and oral mucosa.
Other cutaneous lesions may implicate erythema multiforme (see Erythema Multiforme), hand-foot-and-mouth disease (resulting from coxsackievirus—see Hand-Foot-and-Mouth Disease), or secondary syphilis.
Some causes have isolated oral findings , including RAS, most viral infections, acute necrotizing ulcerative gingivitis, primary syphilis, gonorrhea, and Candida.
Location of oral lesions may help identify the cause. Interdental ulcers occur with primary herpes simplex or acute necrotizing ulcerative gingivitis. Lesions on keratinized surfaces suggest herpes simplex, RAS, or physical injury. Physical injury typically has an irregular appearance and occurs near projections of teeth, dental appliances, or where biting or an errant toothbrush can injure the mucosa. An aspirin burn next to a tooth and pizza burn on the palate are common.
Primary herpes simplex infection causes multiple vesicular lesions on the intraoral mucosa on both keratinized and nonkeratinized surfaces and always includes the gingiva. These lesions rapidly ulcerate. Clinical manifestation occurs most often in children. Subsequent reactivations (secondary herpes simplex, cold sore) usually appear starting in puberty on the lip at the vermilion border and, rarely, on the hard palate.
Acute necrotizing ulcerative gingivitis (see Acute Necrotizing Ulcerative Gingivitis (ANUG)) causes severe inflammation and punched-out ulcers on the dental papillae and marginal gingivae. A severe variant called noma (gangrenous stomatitis) can cause full-thickness tissue destruction (sometimes involving the lips or cheek), typically in a debilitated patient. It begins as a gingival, buccal, or palatal (midline lethal granuloma) ulcer that becomes necrotic and spreads rapidly. Tissue sloughing may occur.
Isolated oral gonorrhea very rarely causes burning ulcers and erythema of the gingiva and tongue, as well as the more common pharyngitis. Primary syphilis chancres may appear in the mouth. Tertiary syphilis may cause oral gummas or a generalized glossitis and mucosal atrophy. The site of a gumma is the only time that squamous cell carcinoma develops on the dorsum of the tongue. A common sign of HIV becoming AIDS is hairy leukoplakia (vertical white lines on the lateral border of the tongue).
C. albicans and related species, which are normal oral flora, can overgrow in people who have taken antibiotics or corticosteroids or who are immunocompromised, such as patients with AIDS. C. albicans can cause whitish, cheesy plaques that leave erosions when wiped off. Sometimes only flat, erythematous areas appear (erosive form of Candida).
Patients with acute stomatitis and no symptoms, signs, or risk factors for systemic illness probably require no testing.
If stomatitis is recurrent, viral and bacterial cultures, CBC, serum iron, ferritin, vitamin B 12 , folate, zinc, and endomysial antibody (for sprue) are done. Biopsy at the periphery of normal and abnormal tissue can be done for persistent lesions that do not have an obvious etiology.
Systematically eliminating foods from the diet can be useful, as can changing brands of toothpaste, chewing gum, or mouthwash.
Specific disorders are treated, and any causative substances or drugs are avoided. Mouth rinses that contain ethanol can cause stomatitis and should not be used.
Meticulous oral hygiene (using a soft toothbrush and salt-water rinses) may help prevent secondary infection. A soft diet that does not include acidic or salty foods is followed.
Numerous topical treatments, alone or in combination, are used to ease symptoms. These treatments include
For topical anesthesia of discomfort that may interfere with eating and drinking, the following may be effective:
A 2-min rinse is done with 15 mL (1 tbsp) 2% viscous lidocaine q 3 h prn; patient expectorates when done (no rinsing with water and no swallowing unless the pharynx is involved). A soothing coating may be prepared with sucralfate (1-g pill dissolved in 15 mL water) plus 30 mL of aluminum-magnesium liquid antacid; the patient should rinse with or without swallowing. Many institutions and pharmacies have their own variation of this formulation (magic mouthwash), which sometimes also contains an antihistamine.
If the physician is certain the inflammation is not caused by an infectious organism, the patient can
Chemical or physical cautery can ease the pain of localized lesions. Silver nitrate sticks are not as effective as low-power (2- to 3-watt), defocused, pulsed-mode CO 2 laser treatments, after which pain relief is immediate and lesions tend not to recur locally.
Drug NameSelect Trade
AspirinNo US brand name
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