Etiology.
1, diet is too fatty and greasy, eating too much sugar, fat, drinking alcohol, over-eating spicy and greasy food, endocrine dysfunction, digestive malfunction.
2, acne. Adolescent acne or adult acne (toxic acne) is not promptly eradicated, or improperly treated, can cause seborrheic dermatitis.
3, improper care, abuse of skin care products hurt the skin’s own water-oil balance function, the skin water-oil metabolism is disrupted. The PH value of the healthy skin surface is about 5.2-5.5, which is not conducive to bacterial growth. Because of the chemical attack (cosmetics, skin care products, perm dye), sebum secretion increase and the change of chemical composition, thus inhibiting the bacterial effect is reduced, so that the normal flora existing on the surface of the skin such as staphylococcus, Malassezia furfur and streptococcus, etc., multiply and invade the skin and cause disease.
5, metabolic disorders, genetic factors, vitamin B deficiency and physical and chemical stimulation, very often scratching or alkaline detergents can aggravate the onset of seborrheic dermatitis.
6, mental tension, overexertion, bacterial infection. On the basis of excessive seborrhea, seborrheic dermatitis can be secondary to fungal and bacterial infections, complicating acne symptoms; it can also be secondary to allergic reactions to fungi and bacteria, and its own immune response can also be secondary to the occurrence of eczema-like lesions and disseminated seborrheic dermatitis.
7, and gonadal secretion disorder, for androgen hypersecretion caused. In addition to this, such as female menstrual syndrome. Some thought to be possibly related to immune, genetic, hormonal, neurological and environmental factors.
Clinical manifestations
1. Typical lesions are dark yellow-red spots, patches or macules with clear edges, covered with greasy scales or scabs. The clinical presentation varies slightly depending on the location of the lesion.
2. The rash occurs on the scalp, eyebrows, eyelids, nose and sides, behind the ears, neck, forehead and upper back interscapular area, axillae, groin, umbilicus and other areas rich in sebaceous gland distribution; facial damage is mostly seen on the nose, nasolabial folds and brow arch, with light red spots covered with greasy yellow scales, often full of oil. On the chest and scapula, it starts as a small reddish-brown follicular papule with greasy scales, and then gradually becomes a ring-like patch with fine scales in the center and dark red papules and larger greasy patches on the edges. It is a well-defined erythema with few flakes and moist, often accompanied by vesicles and oozing. Mostly seen in the age of 30 to 50 years old, especially obese middle-aged people.
3. Self-perceived symptoms are varying degrees of itching; 4. Infantile seborrheic dermatitis often occurs in the first month after birth, with lesions mostly on the scalp, forehead, between the eyebrows and cheeks, as overflowing red patches with yellow scabs.
5, adult general seborrheic dermatitis performance: oily also have is dry or mixed, itching. Flaking and other skin surface symptoms manifestation.
Erythema more explicit Chinese medicine subtypes.
The first: the lung meridian wind-heat type of spring temperature instability, sometimes cold, sometimes hot, sandy, a variety of pathogenic factors ready to go, and the internal organs of the human body after the precipitation of the winter, Yang Qi gradually rise, from the anatomical point of view, the lungs are the top of the five viscera and six internal organs, vulnerable to evil attacks.
Symptoms: often manifest as wind-heat evidence of the lung meridian, in addition to facial skin appears dense small papules or red patches of rash, covered with fine white flakes, but also common itching significant, dry mouth and thirst, red tongue, thin yellow coating, fine pulse and other symptoms.
The second type: gastrointestinal damp-heat type Nowadays, due to the continuous improvement of people’s living conditions, the diet structure is too greasy, spicy, thick, plus unrestrained alcohol, drinks, etc., which will lead to long-term gastrointestinal dysfunction, i.e., the gastrointestinal transportation and transformation malfunction, resulting in the production of dampness and heat, which accumulates. Chinese medicine believes that the lungs and large intestine, the intestine and stomach damp-heat evil will go up to the lungs, at this time, if the external wind evil, the onset of the disease makes.
Symptoms: facial skin is overflowing with oil, flushed, covered with greasy scales, itching, irritability and thirst, constipation, red tongue, yellow greasy coating, smooth pulse.
The third type: spleen deficiency wet trapped type of the accelerated pace of life, learning, work pressure, so that people often feel tired, tired, weak, over time, overwork and overthinking will lead to dysfunction of the spleen transport, so that the food into the body can not be digested and absorbed properly, resulting in dampness trapped in the stomach and intestines, and over time heat, and then further evolution and onset.
Symptoms: The facial skin shows lighter or yellow erythema, grayish scales, less pronounced itching, and slower onset of disease, loose and unpleasant stools, light red tongue, white greasy coating, and smooth pulse.
The fourth type: blood deficiency and wind dryness type facial seborrheic dermatitis, if repeatedly attacked, will lead to the muscle surface wind evil depressed for a long time, depleting the Yin and blood; or long depressed mood, will also lead to liver fire induced liver wind, depleting the Yin and blood; and blood deficiency and Yin injury, skin loss of nourishment, it is easy to produce wind and dryness, the disease is lingering.
The symptoms: the facial skin will appear dry and lusterless, there are chaffy scales, commonly have hair loss treatment Chinese medicine treatment seborrheic dermatitis has certain efficacy, sebaceous glands secretion function is hyperactive, sebum discharge too much, in the skin accumulation, in the accumulation of chronic skin inflammation, is called seborrheic dermatitis.
Chinese herbal remedies for seborrheic dermatitis.
Seborrheic dermatitis prescription 1.
Bitter ginseng, cypress, alum, snake bed seeds 15 grams each, sulfur 5 grams.
Usage: Decoction in water. Wash the affected area externally.
Seborrheic dermatitis Formula:2.
25g each of angelica and yellow wax, 50g of comfrey and 200g of sesame oil.
Usage: Boil angelica, comfrey and sesame oil together, strain and remove the dregs of the medicine. The oil is heated into the yellow wax, melted, and then rubbed externally on the affected area after it is cold, 1-2 times a day.
Seborrheic dermatitis formula 3.
Bitter ginseng 90g, wild chrysanthemum 15g, white fresh bark 9g. Usage: Decoct in water. Take the liquid and wash the affected area externally.
Seborrheic dermatitis remedy 4.
Wang Bu Liu Xing and Xiang Bai Zhi each in equal parts. Usage: Grind into fine powder. Sprinkle the affected area externally.
Seborrheic dermatitis remedy 5.
Raw rhubarb (powdered) 100g, ice chips 20g, vinegar 250g.
Usage: Soak the above medicine in a sealed bottle for 7 days, and apply only after it turns dark brown. Disinfect the affected area with 75% alcohol first, then apply the solution 3-4 times a day.
Seborrheic Dermatitis Formula 6: 15 grams each of wild chrysanthemum, raw earth and red stone resin, 10 grams each of burdock and dandan bark, 9 grams each of thorny mustard and windbreak, 30 grams of raw coix seed, 12 grams of alum and 6 grams of licorice. Directions: Take with water.