Abstract
Physical and chemical injuries of the oral mucosa can be caused by an accidental, iatrogenic, and factitious trauma. The present case describes chemical burn of oral mucosa caused by escitalopram oxalate. It belongs to a group of medicines used for relief of the symptoms of depression. A 27-year-old female patient presented with a 1-month history of an oral lesion with a burning sensation. Intraoral examination revealed a solitary white plaque on the ventral surface of the tongue. The patient reported medical treatment for anxiety and panic syndrome with a single daily dose of escitalopram (Lexapro) oral solution (20 mg/mL) dripped under the tongue. Patient was instructed to dilute the medication in water and switch to tablet treatment. After 2 weeks follow-up, no lesion or symptoms were observed. The final diagnosis was chemical injury caused by escitalopram. Proper guidance and patient education are required regarding the use of this medication as a prophylactic measure to prevent this type of injury.
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