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Angina bullosa hemorrhagica (ABH) is a rare condition seen in the oral cavity which is characterized by the presence of single or multiple blood-filled cavities which are generally not associated with any other systemic illness or condition. These lesions tend to rupture spontaneously and lead to epithelial erosions, which heal over the course of a few days without any signs of scarring. The condition is mostly attributed to trauma in the oral cavity, which occurs as a result of sharp metallic crowns or other such metal implants on the teeth or due to chewing hard and crispy food. This report presents a case of a 50-year-old female with no comorbidities who presented with bleeding from the mouth after eating cashew nuts. The case was diagnosed clinically and conservatively managed. The report aims to increase awareness regarding the causes and management of the condition.
Singh et al. (Sat,) studied this question.