Adult prurigo
Introduction
Introduction to adult pruritus Adult pruritus (Prorigoadultorum), also known as Prurigo Vulgaris, is also a category of Chinese medicine, and the cause is still unclear. More related to gastrointestinal dysfunction and neuropsychiatric factors, can be seen in pregnancy, leukemia and patients with certain endocrine or metabolic disorders, the pathogenesis is still unknown. Clinically, adult women over the age of 30 are more common. Occurs in the extremities of the extremities, chest and back, waist circumference, skin lesions are rice to mung bean size wheal papules or herpes, a small number of blister formation, individual necrotic bullae. Consciously paroxysmal itch, the principle is to trace the cause and give corresponding treatment, local symptomatic itching. basic knowledge Sickness ratio: 0.0004% Susceptible people: more common adult women over 30 years old Mode of infection: non-infectious Complications: herpes
Cause
Adult pruritic cause
Cause:
It is not clear that it is related to gastrointestinal dysfunction and neuropsychiatric factors, which can be seen in pregnancy, leukemia and patients with certain endocrine or metabolic disorders.
Prevention
Adult pruritus prevention
Because the pathogenic factors of this disease are more complicated, it is often difficult to affirm the cause of the disease, which brings certain difficulties to the treatment. Should try to find the cause and cure it. Prevent insect bites, should be corrected for gastrointestinal disorders such as diarrhea and constipation, and those with lesions should be treated.
Complication
Adult pruritus complications Complications herpes
The main features of this disease are severe itching. Due to long-term friction and scratching, bleeding and blood stasis occur. The surrounding skin often has pigmentation and mossy changes, sometimes similar to coin-like eczema. Scratched skin is prone to bacterial and fungal infections, especially in patients with long-term use of immunosuppressive agents or patients with low physical fitness. It is easy to be infected with bacteria, which is characterized by redness, pain, and purulent secretion of rash. Patients with co-infection can be treated with iodophor and rubbed with Baidubang ointment for anti-infective treatment.
Symptom
Adult pruritus symptoms Common symptoms Pella-like skin rash papules Skin blisters or bullae damage itchy bloody summer pruritus herpes
1. It is good for adults over 30 years old, and women are more common.
2. The subacute course is prone to chronic disease, and the skin lesions can resolve spontaneously, but often recurrent, ranging from several months to several years.
3. Occurs in the extremities of the extremities, chest and back, waist circumference, also visible in the face.
4. Skin lesions are rice granules to mung bean size wheal papules or herpes, a small number of blister formation, individual necrotizing bullae, after frequent scratching, blood stasis, pigmentation, mossy Send changes.
5. Consciously paroxysmal itch.
Examine
Adult pruritus examination
The examination relies mainly on pathology, and its pathological section examination: a non-specific lichen-like tissue reaction can be observed. Epidermal hyperplasia, epidermal palsy, intercellular edema, basal cell liquefaction, perivascular cell infiltration and vasodilation, pigment sites showing pigment incontinence. Occasionally, eosinophils in peripheral blood increased.
Diagnosis
Diagnosis of adult pruritus
According to the clinical manifestations, the characteristics of the lesions, the course of the disease, can be diagnosed. Need to be identified with the following diseases.
1. The onset of papular urticaria is seasonal, mostly in summer and autumn. The rash is a prismatic wheal or a blister, with a short course and no lymphadenopathy.
2. Herpes-like dermatitis rash is characterized by blistering or bullous symmetry, which occurs symmetrically. Most patients have gluten enteropathy, and histopathology has specific changes. Direct immunofluorescence examination of the dermal papilla has IgA and C3 granular granules.
3. The scorpion-like lichen planus rash is a thickened plaque with a rough surface and scaly scales. Histopathology is characterized by lichen planus and neurodermatitis.
