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Mango dermatitis: allergic contact dermatitis to Mangifera indica
M L Calvert1, I Robertson, H Samaratunga
1Royal Brisbane Hospital, Herston, Queensland, Australia.
The Australasian Journal of Dermatology
|February 1, 1996
Summary
Mango dermatitis, an allergic reaction to mango fruit or trees, caused skin rashes in four patients. Patch testing confirmed allergic contact dermatitis from mango sap, skin, leaves, and stems.
Area of Science:
- Dermatology
- Allergology
- Toxicology
Background:
- Allergic contact dermatitis (ACD) is a common skin condition.
- Mangoes (Mangifera indica) contain urushiol, a known allergen.
- Mango dermatitis is the colloquial term for ACD caused by mango exposure.
Observation:
- Four patients presented with symptoms of urticaria and eczematous rash.
- Symptoms occurred after direct contact with mango fruit or trees.
- Clinical presentation suggested an allergic reaction to mango components.
Findings:
- Patch testing was performed using diluted mango sap, crushed leaf, crushed stem, and fruit skin.
- All four patients showed strongly positive reactions to one or more mango components.
- This confirmed allergic contact dermatitis to various parts of the mango plant.
Implications:
- Highlights the potential for mangoes and their associated plant parts to cause allergic contact dermatitis.
- Emphasizes the importance of patch testing for accurate diagnosis of mango dermatitis.
- Suggests that individuals with mango allergy should avoid contact with the entire plant, not just the fruit.