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Related to aspirin burn: thrush
A shallow red ulcer in the oral cavity, produced when acetylsalicylic acid (aspirin) tablets are held in the mouth, e.g. in an attempt to relieve dental pain.
See also: burn
as·pi·rin burn(aspir-in bŭrn)
Oral tissue damage, resulting from aspirin being placed against the mucosa and allowed to dissolve there.