wind-heat sore
Introduction
Introduction to wind-heat sores Wind-heat sore is a kind of spotted red color like rose, and the self-limiting nature of desquamation such as sputum. Also known as Chinese medicine literature, blood acne, wind sputum, mother and child sores. The wind-heat sore has a round red or yellow-brown round or elliptical spot, and its long axis is consistent with the skin pattern. The upper surface is covered with squamous scales, and the primary plaque has a clinical feature. It happens in spring and autumn, and it is more common in young and middle-aged. There is self-limiting, generally 4-6 weeks can be self-resolving, but there are also a small number of patients with a course of 2 to 3 months, or even longer. It is equivalent to the pityriasis skin disease of western medicine. basic knowledge Sickness ratio: 5% Susceptible people: no special people Mode of infection: non-infectious Complications: pigmentation spots
Cause
Cause of wind sore
Virus infection (30%):
Recently, Song Feixiang and other studies on the relationship between pityriasis rosea and Coxsackie B virus infection. The results showed that the positive rate of virus-specific IgM in the serum coxsackie B group was significantly higher than that in the healthy control group. The content of serum circulating immune complex was significantly higher in the acute phase than in the recovery phase. Both the neutralization test and the virus isolation demonstrated that the patient had Coxsackie B virus infection. These results suggest the onset of rose rash and Coxsackie B virus infection. There is a direct relationship.
Bacterial infection (20%):
In addition, the pathogens of fungi, bacterial infections or other microorganisms such as spirochetes have not been confirmed. It is also considered to be a skin manifestation of an allergic or gastrointestinal poisoning of an infection.
Exogenous wind evil (20%):
Mainly due to the blood and heat, the external wind and evil, the wind and heat on the skin, the game, the blood loss and the incidence. Or the wind heats up for a long time, burns the body fluid, and the skin is dying.
Prevention
Wind heat sore prevention
1. Prevent upper respiratory tract infections and avoid wind and evil attacks.
2, skin lesions should not be excessively scratched and hot water scalding.
3, do not eat alcohol, spicy and hairy things, eat less thick food.
4, do not abuse irritating external medicine, reduce hot water bath.
5, pay attention to skin hygiene, strengthen physical exercise, and enhance the skin's resistance.
Complication
Wind heat sore complications Complications
The disease is self-limiting, generally 4 to 6 weeks of skin lesions can naturally disappear, leaving temporary hypopigmentation or plaque, a few cases can be extended for 2-3 months, even longer to heal, generally no longer relapse.
Symptom
Wind sore symptoms common symptoms scaly papules sore throat low heat itching freckle ring inner thigh erythema
In some patients, rash can cause general malaise, headache, sore throat and other prodromal symptoms. At the beginning, a large oval or round light red or yellow-brown patch appears on the limbs of the trunk, directly about 3-5cm, and the edge is slightly High, covered with scales, this is the mother spot, or the pioneer spot, the color is reddish or yellowish brown, can also be changed to red or dark red, with fine wrinkles, clear boundaries, covered with thin scales . The rash is scattered or dense, with little integration. The trunk does not have a rash with more chest and less abdomen. For example, the rash is elliptical, and its long axis is often parallel with the direction of the rib. The rash of the limbs is mostly distributed on the flexor side and the medial side of the upper arm, and its long axis is often consistent with the direction of the skin. There are often 1-2mm papules between the spots. Generally, there is no systemic symptoms, but there are also mild headache, sore throat, low fever, major symptoms of superficial lymph nodes in the neck or underarms. The disease is self-limiting. Generally, the rash is resolved by about 4-6 weeks. Hypogonademia or pigmentation spots. A small number of cases can be cured after half a year or longer, and generally do not recur after the recovery.
Examine
Wind sore check
1. Skin rash examination.
2, blood routine, urine routine, fecal routine.
3, liver function can be clear whether there is liver cell damage.
4. X-ray inspection.
5. Histopathology: changes in non-specific chronic dermatitis. Epidermal focal keratosis and sponge formation, mild acanthosis hypertrophy, intracellular edema, blister formation in the epidermis, lymphocytes in the epidermis, small abscess formation, sometimes eosinophilic epidermis, keratosis Keratinocytes. There are sparse lymphocytes and tissue cells infiltrating around the superficial blood vessels of the dermis, edema of the dermal papilla, and a number of extravascular red blood cells.
Diagnosis
Wind heat sore diagnosis
1. White phase identification: white is psoriasis, rash can occur in the body, not limited to the trunk and the proximal extremities, the erythema size is different, the touch is thicker, the upper layer of scales is easy to peel off, there is a film phenomenon And spotted bleeding.
2, white wind identification: white wind is seborrheic dermatitis, rash occurs in the scalp, face, chest back, armpit, groin and other fat, hairy, sweaty parts, skin lesions are light red or yellow red spots The sheets, irregularly shaped and arranged, are covered with pale yellow greasy scales.
