It is a benign phenomenon, usually occurring on soft palate of middle aged individuals,
- Exclude blood dyscrasia, vesiculobullous disorders, systemic diseases or other known causes
- Possibly mechanical trauma, restorative dentistry, periodontal therapy
- Dental injections of anaesthetics, steroid inhalers
- Chlorhexidine gluconate mouth rinse.
- Diabetes mellitus may be a contributing factor
- Usually middle-aged patient blisters on the soft palate
- Oral blood-filled fragile vesicles and bullae.
- These quickly burst to leave ragged, often painless, superficial erosions
- These heal spontaneously within 1 week without scarring.
- Bullous pemphigus, bullous pemphigoid, bullous lichen planus
- FBC, Clotting, U&E, CRP, Glucose
- Reassurance, blood blisters spontaneously rupture and heal.
- Use of benzydamine hydrochloride provides symptomatic relief if needed