Giant Angina Bullosa Haemorrhagica

© 2020 Indian Dermatology Online Journal | Published by Wolters Kluwer Medknow A 75‐year‐old lady, developed an asymptomatic, blood filled blister over the right buccal mucosa overnight after eating rice‐chapati at night. Examination of oral mucosa revealed a single oval, tense, blood filled bullae of size around 4 cm on right buccal mucosa [Figures 1 and 2]. There was no history of inhaled steroids, infections, autoimmune diseases, diabetes, dental procedures and anesthetic procedures. She was a non‐smoker and non‐alcoholic. She had history of chest discomfort 3 years back which was diagnosed as unstable angina. Since then, she was receiving tablets clopidogrel, aspirin, atorvastatin; along with sublingual isosorbide dinitrate on an SOS basis. Hematological and biochemical investigations and coagulation profile were normal. The bulla ruptured in the next evening leaving behind erosion which was associated with pain while eating. It