Anal eczema is a non-communicable skin disease. After infection, the main symptoms are exudation, papules, and itching around the anal area. Some may experience papules, erythema, erosion, scabs, and desquamation around the anal area. The skin around the anal area may thicken and become very rough over a long period of illness, appearing dark red or gray-black, similar to lichen. Some anal margins may crack, making itching more severe or causing pain.
The clinical symptoms of anal eczema mainly manifest as itching, pain, anal erythema, moisture, anal perianal skin erosion, and can also cause symptoms such as indigestion, abdominal distension, constipation and diarrhea, dizziness, insomnia, and irritability. Anal eczema has acute and chronic types, with chronic anal eczema being more common. The difference from anal pruritus is that anal pruritus is usually itchy first, without exudation, and only after scratching does it lead to erosion, bleeding, and exudation; eczema is characterized by exudation, papules, erythema, and erosion first, followed by itching.
1、瘙痒:1. Itching:
It is the main symptom of perianal eczema. It presents with intermittent severe itching, and scratching the local area can cause skin damage and exacerbate pain and itching; when the itching is unbearable, it can affect learning, work, sleep, etc.2. Anal erythema:
Due to moisture, friction, or scratching, the perianal skin or skin folds become pale pink and edematous.3. Anal moisture:
Exudate can cause anal moisture and discomfort, soiling of underwear, and skin abrasion.4. Pain:
The skin around the anus can break due to scratching, leading to fissures, infection, often causing anal pain and pain during defecation.5. Other: