Stomatitis Venenata- A Diagnostic Challenge

Background: Allergies manifest in various forms, which can be mild and unnoticeable to life threatening anaphylaxis. To pin point the exact agent causing the allergy is a challenge. Case Description: A 6 year old boy presented with pain and burning sensation in the right side of the mouth since 10 days. His mother gave a history of visiting a dentist 1 month back where he was prescribed fluoridated pediatric toothpaste. On using the toothpaste the patient noticed occurrence of small fluid filled boils in the right cheek region and the right side of the tongue which slowly increased in size and turned flat. Since 10 days the pain is severe and causing difficulty to open the mouth, talk and eat. Clinical implications: Dentists should exercise care when prescribing any new products to patients and be aware of their allergic potential. Also any allergic manifestations should be recognized early and managed appropriately.