What causes anal itching in men?

What causes perianal itching in men? Perianal itching is a common local itching syndrome. Generally, only one side of the anus or a small area will feel uncomfortable or slightly itchy, and the itching will gradually increase. In the early stage of perianal itching, it is limited to the skin of the anus, which is sometimes light and sometimes heavy. Sometimes it is stinging or burning, sometimes it feels like ants walking, sometimes it feels like ants biting and burning, and sometimes it is unbearable, worse at night, making people restless.

What causes perianal itching in men?

1. Endocrine diseases: For example, the sugar content in the skin of diabetics increases, which stimulates the peripheral nerves and causes itching; the itching of skin lesions in hyperthyroidism may be related to easy sweating, increased basal metabolism, and anxiety.

2. Anal skin diseases: such as anal eczema, neurodermatitis, ringworm, various warts, sexually transmitted diseases, sweat gland inflammation, etc., the excrement is attached to the wrinkles of the anus, irritating the skin and causing itching.

3. Mental factors: Neurasthenia, hysteria, mental tension, anxiety, agitation, excitement, etc. cause autonomic nervous system disorder, which can also cause or cause itching, which can spread to the whole body or the anus and perineum area.

4. Anal and duodenal diseases: such as anal fissure, anal fistula, hemorrhoids, anal sinusitis, anal papillitis, rectal mucosal prolapse, anal incontinence, etc., which cause excessive anal secretions and wet and cold irritation to the skin, causing itching.

5. Liver and kidney diseases: Patients with primary biliary cirrhosis or bile duct obstruction have increased bile salt content in the blood and skin, which stimulates the peripheral nerves and causes itching; uremia in the late stage of kidney disease can also cause perianal itching.

6. Parasitic infection: such as tapeworms, parasites, vaginal fungi, pubic lice, scabies, etc., can all cause perianal itching.

7. Environmental factors: friction and irritation from underwear and toilet paper; low temperature in winter, reduced sebaceous gland metabolism, dry skin and prone to cracking; high temperature weather causes sweating, damp and cold area around the anus causing itching, etc.

8. Allergy symptoms: Eating spicy foods, such as chili peppers, mustard sauce, spices, alcohol or specific protein foods, and taking some medicines, such as sulfonamide antibiotics, can cause perianal itching due to skin allergies.