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User:Mr. Ibrahem/Mouth ulcer

Medical condition

Mouth ulcer
Other names	Oral ulcer, mucosal ulcer, aphthae[1]
A mouth ulcer in the lower lip due to aphthous stomatitis.
Specialty	Oral medicine
Complications	Dehydration[2]
Types	Acute, chronic[1]
Causes	Local trauma, aphthous stomatitis, herpes, medications, lupus, syphilis, neutropenia, mouth cancer[1]
Risk factors	Dry mouth, tobacco use[2]
Diagnostic method	Based on symptoms, examination, biospy[1]
Treatment	Based on underlying cause[2]
Medication	Lidocaine applications[2]
Frequency	Common[3]

Amouth ulcer is a sore in the mucous membrane which lines the mouth.^[2] They may appear red or white in color.^[2] Often pain occurs which may result in dehydration from decreased drinking.^[2] Some types may occur recurrently.^[4]

Most cases are due to local trauma or aphthous stomatitis ("canker sores").^[1] Other causes include infectious diseases, autoimmune diseases, and mouth cancer.^[1] Non painful cases may occur due to syphilis, lupus, or cancer.^[1] Diagnosis is based on symptoms, examination, and possibly biospy.^[1]

Treatment is directed at the underlying cause.^[2] Avoiding salty or acidic food may be recommended.^[2] Lidocaine may be applied to help with pain.^[2] Mouth ulcers are common.^[3] For example about 20% of people have aphthous stomatitis.^[3]