Dictionary of Allergies .. Dracaena fragrans

Dracaena fragrans

Some individuals may experience episodes of asthma, rhinoconjunctivitis, and contact urticaria when they are exposed to decorative flowers to of corn plant (Dracaena fragrans) in their home. The patient may show positive skin prick testing reactions to the D. fragrans extract at a concentration of 0.05 mg/mL. The extract of SPT can be prepared from the Air Sentinel filter. Skin provocation testing with the leaves of corn plant on the patient's forearm provoke dense wheal formation. The conjunctival provocation test response can be positive to an antigen concentration of 0.05 mg/mL. The peak expiratory flow rate varies by 20% to 40% on exposure days and by 5% to 10% on nonexposure days. The bronchial provocation test response can be positive to an antigen concentration of 0.5 mg/mL. Specific IgE to D. fragrans extract is 15.1 kUA/L.

References

References

Feo Brito F, Mur P, Bartolomé B, Gómez E, Galindo PA, Borja J, Alonso A. Rhinoconjunctivitis and asthma caused by corn plant (Dracaena fragrans). Ann Allergy Asthma Immunol. 2007 Mar;98(3):290-3.