Pruritus Ani

• Itching in the peri-anal area

Causes

Local causes

• Poor hygiene
• sweating
• fistula
• haemorrhoids
• neoplasia
• warts
• fungal infections
• contact dermatitis (deodorants)
• worms
• antibiotics

General causes

• Diabetes mellitus
• obstructive jaundice
• Hodgkin's disease
• scabies
• pediculosis
• psoriasis
• atopic eczema

Majority of causes may be idiopathic or psychogenic

Investigations

• Hb
• WCC
• Blood sugar
• Peri-anal scrapings and microscopy for fungus

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