| Aphthous stomatitis | |
|---|---|
| Other names | Recurrent aphthous stomatitis (RAS), recurring oral aphthae, recurrent aphthous ulceration |
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|
| Canker sore on the lower lip | |
| Specialty | Oral medicine, dermatology |
| Symptoms | A round, often painful sore inside the mouth that is white or gray with a red border; Tingling or burning sensation prior to sore development; Fever, sluggishness, and/or swollen lymph nodes (severe cases only) |
| Complications | Cellulitis (a bacterial skin infection); fever; sores that appear outside of the mouth; pain while brushing teeth, eating, and/or talking |
| Usual onset | 1 to 2 days, before visual appearance |
| Duration | 7–10 days |
| Causes | Behçet's disease; celiac disease; food allergies; HIV infection; lupus; oral injuries; poor oral hygiene; stress; vitamin deficiency |
| Risk factors | Anyone can develop canker sores. |
| Prevention | avoiding foods that irritate the mouth, including acidic, hot or spicy foods; avoid irritation from gum chewing; avoiding oral hygiene products containing sodium lauryl sulfate, brushing with a soft-bristled brush after meals and flossing daily. |
| Treatment | mouth rinses; nutritional supplements; oral medication |
| Medication | good oral hygiene, topical agents |
| Frequency | ~30% of people to some degree[1] |
| Deaths | None reported. |
| Aphthous stomatitis | |
|---|---|
| Other names | Recurrent aphthous stomatitis (RAS), recurring oral aphthae, recurrent aphthous ulceration |
|
|
| Canker sore on the lower lip | |
| Specialty | Oral medicine, dermatology |
| Symptoms | A round, often painful sore inside the mouth that is white or gray with a red border; Tingling or burning sensation prior to sore development; Fever, sluggishness, and/or swollen lymph nodes (severe cases only) |
| Complications | Cellulitis (a bacterial skin infection); fever; sores that appear outside of the mouth; pain while brushing teeth, eating, and/or talking |
| Usual onset | 1 to 2 days, before visual appearance |
| Duration | 7–10 days |
| Causes | Behçet's disease; celiac disease; food allergies; HIV infection; lupus; oral injuries; poor oral hygiene; stress; vitamin deficiency |
| Risk factors | Anyone can develop canker sores. |
| Prevention | avoiding foods that irritate the mouth, including acidic, hot or spicy foods; avoid irritation from gum chewing; avoiding oral hygiene products containing sodium lauryl sulfate, brushing with a soft-bristled brush after meals and flossing daily. |
| Treatment | mouth rinses; nutritional supplements; oral medication |
| Medication | good oral hygiene, topical agents |
| Frequency | ~30% of people to some degree[1] |
| Deaths | None reported. |
