Table 1 Main causes of secondary anal pruritus
From: Evaluation, management and future perspectives of anal pruritus: a narrative review
Infections | Gonorrhea |
| Â | Syphilis |
| Â | Herpes simplex virus |
| Â | Human papillomavirus |
| Â | Staphylococcus aureus |
| Â | Beta-hemolytic streptococcus |
| Â | Erythrasma (C. minutissimum) |
| Â | Candidiasis |
| Â | Pediculosis |
| Â | Pinworms |
| Â | Scabies |
| Â | Human immunodeficiency virus |
Anorectal disease | Hemorrhoids |
| Â | Anal fistula |
| Â | Fissures |
| Â | Rectal prolapse |
| Â | Inflammatory bowel diseases |
Neoplastic lesions | Acanthosis nigricans |
|  | Extramammary Paget’s disease |
| Â | High-grade squamous intraepithelial neoplasia |
| Â | Squamous cell carcinoma |
| Â | Melanoma |
Inflammatory skin disorders | Contact dermatitis |
| Â | Atopic dermatitis |
| Â | Irritant contact dermatitis |
| Â | Psoriasis |
| Â | Urticaria |
| Â | Seborrhea |
| Â | Lichen planus |
| Â | Lichen sclerosus |
Systemic diseases | Diabetes mellitus |
| Â | Renal failure |
| Â | Cholestatic liver disease |
| Â | Thyroid disorders |
| Â | Leukemia, lymphoma |
| Â | Iron deficiency anemia |