EATING too much fried food can trigger blood-filled blisters in your mouth, medics warn.
A 50-year-old man in Japan suffered the rare condition called angina bullosa haemorrhagica (ABH) after feasting on the nosh, they said.
He suffered bleeding in his throat whenever he ate fried foods like pork cutlets and tried to avoid them in general as a result.
But he had another episode of the blisters after eating a grilled dumpling for lunch.
Dr Yasutaka Yanagita, of Chiba University Hospital, said: “ABH is a rare and under-reported disease.
“Physical or thermal stimuli such as hot drinks, dental procedures, dental anaesthesia, cigarettes, coughing or sneezing, may trigger ABH.
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“In this case, it was caused by hot fried food. There have been reported cases of airway obstruction resulting from [vomiting blood].”
Angina bullosa haemorrhagica is a painful condition that causes blood blisters to suddenly form in your mouth.
It can occur at any age but is more common in your 50s.
The bleeding usually stops after a day, while the blisters can take up to a week to heal fully.
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They can range in size from 4mm to 3cm across and do not require medical treatment.
The condition has no official known cause, but blisters can form after eating hot foods or drinking hot drinks, as well as from dental procedures like fillings and crowns.
The man’s case was first reported in the European Journal of Case Reports in Internal Medicine.
A month before his hospital visit, the patient had a laryngoscopy — when doctors use a camera to look at your voicebox — after he started vomiting blood.
Doctors found he had a blood blister in the throat and he was sent for further tests before the blister disappeared on its own after a few days.
But immediately after eating the dumplings later on, he suffered another blister on the inside of his mouth just under 2cm across.
He was diagnosed with ABH because of the repeated blistering but recovered, and has not had another issue in the last year by avoiding fried foods.
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