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Home > West Medicine > Internal Medicine > Infectious Diseases
B65.300

Cercarial Dermatitis

传染科

Common symptoms

疱疹、斑疹、细菌感染、丘疹、瘙痒

The pathology of disease

Animal schistosomes (birds/mammals) whose cercariae penetrate human skin cause cercarial dermatitis. Common "paddy-field itch" in China.

Common Symptoms

Vesicle; macule; bacterial infection; papule; pruritus

Causes and Pathogenesis

Trichobilharzia (e.g. T. paoi) in domestic ducks; Lymnaea snails; 10-12 day duck infection; fusiform eggs. Other genera: Orientobilharzia (Radix ovata), S. spindale/bovis/matthei; Austrobilharzia (marine). Pathogenesis: leukocytic inflammatory reaction; allergic; immediate + delayed; severe with repeated infection; dermal mononuclear infiltrate/edema.

Treatment

Drug therapy, supportive therapy

Preventive Measures

Personal: avoid infested water; petrolatum/ghee barrier; dry skin after contact; ethanol swab. Transmission: snail/cercariae control.

Department to Visit

It is recommended to visit the Infectious Diseases department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.