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Home > West Medicine > Other Specialties > Dermatology
B85.300

Phthiriasis Pubis

皮肤科

Common symptoms

斑疹、细菌感染、丘疹、脓疱、血痂、瘙痒

The pathology of disease

Pubic lice: sexually transmitted; couples; women more common; US/Western Europe recent.

Common Symptoms

Macule; bacterial infection; papule; pustule; blood crust; pruritus

Causes and Pathogenesis

Three lice: head/body/pubic. Body louse = typhus/relapsing fever/trench fever vector. Phthirus pubis: female 1.5-2.0 mm, male 0.8-1.2 mm; crab-shaped; claws grip pubic hair. Nocturnal; lays ~3 eggs/day, ~50 lifetime; lifespan 30 days; dies 24 h off host. Eggs cemented to hair.

Treatment

Drug therapy, supportive therapy

Preventive Measures

Treat sexual contacts; boil/iron clothes/linens; no unsafe sex; no shared towels/underwear/bedding.

Department to Visit

It is recommended to visit the Dermatology 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.