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Pruritus ani
From WikEM
Contents
Background
Causes
- Anorectal disease
- Poor hygiene
- Local infection
- Pinworms, strep
- Local irritants
- Dermatologic conditions
- Systemic illness
- Psychogenic factors
Associations
Clinical Features
- Skin appears normal with early, mild cases
- Acute, severe exacerbations associated with reddened, edematous, excoriated, skin
Differential Diagnosis
Anorectal Disorders
- Anal tags
- Hemorrhoids
- Cryptitis
- Anal fissure
- Anal fistula
- Anorectal abscess
- Proctitis
- Rectal prolapse
- Rectal foreign body
- Pruritus ani
- Pilonidal cyst
- Constipation
- Condyloma acuminata
- Anal cancer
- Colorectal tumor
- Pedunculated polyp
- Crohn Disease
- Syphilitic fissure
- GC/Chlamydia
Management
- Treat underlying cause
- To avoid scratching at night patient can wear gloves at bedtime
- Sitz baths 15min TID
- Zinc oxide can provide protective covering for the skin and may enhance healing
