Rochman Mujayanto*, Mazaya Almas*, Devina Vedayumna Wisaputri*

*Department of Oral Diseases, Faculty of Dentistry, Sultan Agung Islamic University, Semarang, Indonesia 

Correspondence email to:  


Oral Allergy Syndrome (OAS) is a food allergic reaction towards fruit, vegetable and nut causing clinical symptoms in the form of itching, pain, vascular edema, and a narrow throat. In this case report, we reported management two cases of oral allergy syndrome due to banana and longan. 

The first case reported a 20-year-old man complaining of both upper and lower swollen lips after eating longan fruit.  The second case was a 54-year-old woman complaining of pain and discomfort in the upper lip, mouth corners, left and right inner cheeks, palate and especially on the tongue. She had ambon banana the day before. 

Case Management
Both patients were given antihistamine treatment and informed to avoid the suspected fruits which caused the allergic reaction. The diagnosis is established using the oral food challenge method.  

The principle of management of OAS cases is to identify and avoid the allergens. Antihistamines are the drug of choice for this cases.  

Keywords: Oral allergy syndrome, oral food challenge, food allergy, oral lesions    

Download Full PDF Article