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Phytophotodermatitis Due to Fig Tree Sap Activated by Ultraviolet Light: A Case Report
Maria Vilela1, Sandra Fernandes2, Ana Sofia Barroso3
1Internal Medicine, Unidade Local de Saúde do Alto Minho (ULSAM) - Hospital de Santa Luzia, Viana do Castelo, PRT.
Cureus
|March 19, 2024
Summary
Phytophotodermatitis, a skin reaction to plants and sun, caused a painful rash in a man after pruning a fig tree. Prompt diagnosis and antihistamine treatment led to symptom improvement.
Area of Science:
- Dermatology
- Toxicology
Background:
- Phytophotodermatitis is a skin reaction triggered by plant compounds and sunlight exposure.
- It commonly presents as a rash, with supportive care as the usual treatment.
Observation:
- A 57-year-old man developed a painful, streaked rash on his forearms after pruning a fig tree.
- The rash appeared overnight, affecting sun-exposed skin, with no other apparent cause.
Findings:
- Diagnostic workup, including blood tests, revealed no abnormalities.
- A detailed history identified recent fig tree sap exposure as the likely cause, leading to a phytophotodermatitis diagnosis.
Implications:
- This case highlights the importance of thorough patient history in diagnosing dermatological conditions.
- Accurate diagnosis aids in appropriate treatment, such as antihistamines and avoidance of triggers.
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