Fig. 1

Timeline of case history and clinical pictures of the patient with cinnamon anaphylaxis. Panel a Time line: (1) purchase of fog machine; (2) first skin test diagnosis (clinical pictures panel b); (3) 2nd skin test (panel c). Red bars: anaphylactic events. Panel b Prick-to-prick test with suspected food components 1-16 (cinnamon = 15) elicited flush and anaphylaxis 15 min later; panel c) 2nd skin prick test with 1: 3 % cinnamaldehyde (CA); 2: 3 % CA in glycerol; 3: 3 % CA in glycerol, boiled; 4: 3 % CA in smoke fluid Eurolite®; 5: 3 % CA in smoke fluid Eurolite®, boiled; 6: 1 % CA in Vaseline®; 7: 1 % Cinnamon alcohol in Vaseline®