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Start free with EleplanCreeping myiasis
ORPHA:504Disease
Also called Migratory myiasis
What it is
A rare cutaneous myiasis characterized by infestation of humans by the larvae of horse or cattle bot flies. After penetration of the skin, horse bot fly larvae form tunnels in the lower layers of the epidermis, where they can migrate for up to several months, causing serpentine, erythematous lesions with intense pruritus. Cattle bot fly larvae penetrate deeper into the subcutaneous tissue, producing more painful, erythematous lesions, which usually resolve after several hours or days, when the larvae move on to infest another area.
Key facts
- Inheritance
- Not applicable
- Classified as
- Disease
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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