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​Symptoms and Signs – Differential Diagnosis of Pruritus Ani
FECAL IRRITATION
• Poor hygiene
• Anorectal conditions (fissure, fistula, hemorrhoids, skin tags,
perianal clefts)
• Spicy foods, citrus foods, caffeine, colchicine, quinidine
CONTACT DERMATITIS
• Anesthetic agents, topical corticosteroids, perfumed soap
DERMATOLOGIC DISORDERS
• Psoriasis, seborrhea, lichen simplex or sclerosus
SYSTEMIC DISORDERS
• Chronic renal failure, myxedema, diabetes mellitus (DM),
thyrotoxicosis, polycythemia vera, Hodgkin’s disease
SEXUALLY TRANSMITTED DISEASES
• Syphilis, herpes simplex virus, human papillomavirus
OTHER INFECTIOUS AGENTS
• Pinworms
• Scabies
• Bacterial infection, viral infection
Pruritus Vulvae
• Vulvitis
• Vaginitis
• Lichen sclerosus
• Squamous cell hyperplasia
• Pinworms
• Vulvar cancer
• Syringoma of the vulva
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