Microsporum Fungi: Species, Infections, Diagnosis, and Prevention
Overview
Microsporum is a genus of fungi (family Arthrodermataceae) found in soil, on plants, and animals. It causes dermatophytoses (ringworm infections):
- Tinea capitis (scalp ringworm)
- Tinea corporis (body ringworm)
- Tinea cruris (jock itch)
Transmission
Direct contact with infected humans/animals or contaminated objects.
Symptoms
Red, scaly, itchy patches (often round/oval with raised border); possible hair loss.
Diagnosis & Treatment
Microscopic exam of skin/hair; antifungal medication (topical or oral).
Common Species
- M. canis: Dogs/cats; common cause of tinea capitis in children.
- M. gypseum: Soil/plants; causes tinea corporis/cruris.
- M. audouinii: Humans; causes tinea capitis in children.
Prevention
- Avoid contact with infected individuals/animals.
- Keep skin clean/dry.
- Wear shoes in public areas.
- Don't share combs, brushes, towels.
- Seek prompt treatment for infections.
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