hidrosis
Introduction
Introduction to blister Sweat blister, also known as poor sweating, is a blistering disease in the palms and ankles. In the past, it was thought to be caused by sweating of hands and feet and sweat retention in the skin. Nowadays, it is considered that it is a skin eczema-like reaction. Mental factors are important factors in stimulating the disease. Recently, it has been found that nickel allergy can also be caused. The disease occurs in the spring and autumn, often repeated on a regular basis every year. basic knowledge The proportion of illness: 0.001% Susceptible people: more common in teenagers Mode of infection: non-infectious Complications: desquamative erythroderma
Cause
Causes of blister
Cause (50%):
The cause of this disease is not fully understood. It is considered that a non-specific skin eczema-like reaction is associated with personal physique and autonomic dysfunction. Mental factors such as tension or depression may be the cause of the disease.
Prevention
Sweat prevention
1. Patients with sweat herpes should keep their hands and feet dry and clean.
2. Topically wet with 1% alum solution, external calamine lotion.
3. Prevent infection.
4. External use of traditional Chinese medicine cleaning, according to the characteristics of sweat herpes based on wet evil, can be used to collect wet blistering method: Wang does not leave 60g, alum 30g, pomegranate skin 30g, decoction juice, soaking the affected area, each 5 minutes 2 times a day.
Complication
Complication of blister Complications, desquamative erythroderma
Dry skin, desquamation, thickening with infection.
Symptom
Sweat symptoms common symptoms dry skin peeling pustules scales hands and feet sweating spleen and stomach damp heat
1. Occurs in the palm of the hand, the fingertips, the side of the finger, rarely seen in the back of the hand, the sole of the foot, often symmetrical.
2. Suddenly many clusters or scattered vesicles located deep in the epidermis, showing normal skin tone, viscous fluid after blistering, blister absorption after several days, residual ring scales after dryness, conscious itch and burning sensation, such as illness Long-term can cause dry skin, desquamation, thickening, if there is secondary infection, pustules can form, inflammation is obvious, severe cases can cause lymphangitis and lymphadenitis.
3. Beginning in the late spring and early summer, the summer is aggravated, and it can heal itself in winter. It often coexists with sweating of hands and feet, and it is repeated every year.
4. More common in adolescents, can be reduced or self-healed after middle age.
Examine
Examination of blistering
The focus of the physical examination should be on whether there are signs of skin that induce sweating abnormalities. If the patient is found to have ichthyosis, it is the cause of local sweatlessness. Plaque lesions of tuberculous leprosy, in addition to local paresthesia, often have no local sweat. Chronic radiation dermatitis damage, in addition to dry skin, atrophy, telangiectasia, often there is no local sweat. Therefore, a detailed physical examination can find out the cause of abnormal sweating to confirm the diagnosis.
Diagnosis
Diagnosis and diagnosis of sweating
diagnosis
According to seasonal recurrent episodes, symmetry occurs in the palm of the hand, and the damage is mostly blister, and the characteristics of dry peeling are easier to diagnose.
Differential diagnosis
1. Swollen hand, foot and ankle: often have ankle and then handcuffs, mostly for the first side, inflammation is obvious, the boundary is clear, the toes can also be affected, the fungus is positive.
2. Sweat-type sputum rash: The blister is shallow, the blister wall is thin, and there is often active sputum disease. After the lesion is cured, it can be cured by itself, and the sputum test is positive.
3. Exfoliative keratosis: mainly manifested as exfoliation of the epidermis, regardless of the season, but also blisters, but no symptoms.
