Poor hygiene |
Faecal retention Faecal incontinence Haemorrhoids |
Food |
Caffeinated drinks Alcoholic drinks Tomatoes Citrus fruits Chocolate |
Colorectal and anal diseases |
Diarrhoea / constipation Haemorrhoids Fissures Fistulas Neoplasia Polyps morbus Bowen Paget Colorectal Anal carcinoma |
System diseases |
Diabetes mellitus Hepatic Diseases Hematological diseases Thyroid disorders |
Psychological / psychiatric causes |
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Medication |
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Dermatology diseases |
Perianal Dermatitis Irritative-toxic Eczema Contact Dermatitis Atopic Eczema Seborrheic Dermatitis Psoriasis inversa Lichen ruber planus Lichen sclerosus and atrophicus Acne inversa Autoimmune Dermatoses |
Infections |
Erythrasma Infections caused by staphylococci and streptococci Folliculitis Boils Abscesses Perianal streptococcal dermatitis Herpes zoster Fungal infections Candida albicans Dermatophytosis |
Sexually transmitted infections |
Condylomata acuminata Herpes Syphilis Gonorrhea Chlamydienproktitis Scabies |
Epidemiology |