Rx Note

Introduction Angina (painful), bullosa (blister), haemorrhagica (blood-filled) is a very rare and benign condition of the oral mucous membrane, characterized by the sudden appearance of blood-filled blister(s) within the oral cavity. The first indication is a stinging pain or burning sensation just before the appearance of a blood blister. The risk of recurrence is 30% and the blister may appear on the same or in another location. Causes The exact mechanism of the disease is unclear, but probably multifactorial. More than 50% of the cases are related to minor trauma caused by Hot foods Restorative dentistry (fillings, crowns, etc.) Periodontal therapy Anaesthetic dental injections Treatment The blisters usually rupture in a day or two and heal spontaneously without any further scarring or discomfort. Blood tests may be carried out to rule out a blood disorder (e.g. thrombocytopenia, von Willebrand disease, leukaemia and some vasculitis) No treatment is usually necessary other than a m...