A case of contact stomatitis due to Propolis

A very rare case of allergic stomatitis due to Propolis is reported.A 80-year-old woman was referred to our clinic because of contact pain of the oral mucosa. Erythemas with erosion had developed on the palatal mucosa and tongue 1 day after she had taken Propolis to treat eczema of the foot. The results of blood examinations were within the normal limits. She stated that she kept Propolis in her mouth for about 30 minutes before swallowing. Patch testing showed a positive reaction for Propolis. The diagnosis was allergic contact stomatitis due to Propolis.The erythemas and erosive changes of the oral mucosa disappeared about 14 days after she stopped taking Propolis.