What is perianal eczema
Perianal eczema is a common metaplastic disease whose lesions are mostly confined to the anal opening and its surrounding skin, and a few of them can involve the perineum, clinically characterized by itching, increased local secretions, polymorphic rash and easy recurrence. Sometimes cracking can occur, making itching more intense or painful, and can develop at any age.
The cause and pathogenesis of perianal eczema is a delayed metamorphosis caused by complex internal and external excitatory factors, the pathogenesis of factors is very complex, there are often intrinsic factors and external factors of interaction, often multifaceted. This includes physical, chemical, biological and other external factors and the body’s internal psychoneurological imbalance, metabolic dysfunction, organ dysfunction, etc. The etiology is divided into primary and secondary, with the former having unknown causes and the latter mostly caused by inflammation or secretion stimulation such as anal fistula and fissure.
Common factors.
1, allergic reaction (hypersensitivity reaction)
This is the main cause of morbidity, with intrinsic and extrinsic aspects, such as focal infections, allergenic foods, drugs or exposure to certain allergenic items. For example, patients sometimes cannot tolerate many harmless stimuli in their living and working environment, such as certain foods that can aggravate eczema.
2, common external factors
external factors such as living environment, climate and other factors such as humidity, in addition to their own habits and other factors, certain foods can also make some people eczema aggravated; some daily necessities such as balsam and other cosmetics, soap, artificial fibers, etc. can also induce eczema; in addition, such as women often use pads similar things, the composition of the structure of the item is impermeable, residing in a special location, resulting in the generation of mold, and hot and humid environment The hot and humid environment just nourishes the mold, thus causing eczema. In addition, the anus is directly stimulated by iodine, alcohol, strong acids and alkalis and induced eczema.
3, intrinsic factors
In the course of certain diseases such as chronic digestive diseases, gastrointestinal dysfunction, endocrine disorders, malnutrition, intestinal parasitic diseases, etc., the patient’s increased sensitivity to certain allergic substances easily induced.
4.Local lesions
Chronic stimulation of local diseases such as hemorrhoids, anal fistulas, anal fissures, epithelial defects of the anal canal can also induce perianal eczema.
5, mental factors
Mental tension, insomnia, depression, excessive fatigue and other mental changes can also induce perianal eczema.
6, Chinese medicine etiology pathogenesis
Always due to endowment intolerance, wind, moisture, heat blocked in the skin. The disease may be caused by poor diet, excessive consumption of spicy fish and fishy wind products, or alcohol, injury to the spleen and stomach, spleen loss of health, resulting in internal dampness and heat, and external wind and dampness and heat, internal and external combination of evil, the two wrestling knot, immersion in the skin; or factor body weakness, the spleen for wet trapped, skin loss of nourishment or because of dampness and heat contained for a long time, depletion of Yin and blood, dryness and wind, resulting in blood deficiency and wind dryness, skin A wrong, the disease.
Classification can be divided into acute, subacute, chronic eczema, chronic perianal eczema is the most common.
1, acute eczema
The onset of the disease is rapid, initially skin flushing, swelling, itching, followed by the appearance of papules, papules, blisters on the flushing, swelling or its surrounding skin. The lesions are clustered or densely packed in patches, varying in shape and size, with unclear borders. The blisters often rupture due to scratching, forming vesicles, efflorescence, and crusts. The itchiness is mild, but in severe cases, the itchiness is intense and intermittent or paroxysmal, often intensifying at night, affecting sleep.
2.Sub-acute eczema
Most of the acute eczema from the prolonged unhealed, the condition is slower, blisters are not more, less exudate, still visible erythema, papules, scales, scabs, vesicles, etc..
3, chronic eczema
Often due to acute eczema for a long time, turned into chronic eczema, or the beginning of the performance of the chronic. The anal edge of the skin thickened and rough, moss-like changes, elasticity is weakened or disappeared. It is accompanied by cracking, brownish-red or grayish-white color, poorly defined lesions, and intense itching. The duration of the disease is long, often prolonged and recurrent.
Treatment
1.General prevention and treatment
As far as possible to find the cause, remove the causative factors; at the same time, pay attention to avoid local stimulation, such as scratching, rubbing to avoid the vicious cycle of itching – scratching – itching, avoid hot water scalding, soap and water external washing, the use of irritating drugs. To avoid diet chili, mustard, onion and garlic, white wine and other rich stimulating food to avoid aggravating the disease, to prevent diarrhea and constipation and other triggering causes.
2.Drug treatment
Western medicine can be used histamine drugs, combined with antibiotics when the infection, in addition, vitamin B, vitamin C and adjust the nerve function of the drug also help. (Please use medication under the guidance of a doctor)
Acute perianal eczema can be treated with gentian diarrhea of the liver soup and dioscorea dioscorea soup to clear heat and dampness. For chronic perianal eczema, we can use Angelica Drink or Sifu Anti-wind Drink to nourish blood and moisten dryness, dispel wind and relieve itching. (Please use the medicine under the guidance of the doctor’s diagnosis)
3.External treatment
Acute eczema, the initial to clear heat and soothe, to avoid stimulation as the principle, can be used cypress solution, furnace glycerin lotion external application, Chinese medicine external washing; the middle runny more, to astringent clear heat to relieve itching as the principle, can be used horsetail lotion, cypress solution external application, Chinese medicine decoction wet compress; late, runny less, crust, to protect the lesions, avoid stimulation, promote keratin renewal, clear residual inflammation as the principle, can be used Huanglian ointment, Qing Dai cream. Qing Dai cream. Sub-acute eczema, to anti-inflammatory, anti-itch, dry, astringent principle, the use of bitter ginseng soup, three yellow lotion, Qing Dai San, dispel dampness, yellow cypress cream, etc. for external use. Chronic eczema, to stop itching, inhibit epidermal cell proliferation, promote dermal inflammatory infiltration absorption as the principle, can use Qing Dai cream, sulfur ointment, wet sore cream, sebum cream and so on for external use.
Warm tips
If you feel uncomfortable, please consult a doctor promptly and use the medication after the doctor has identified the disease and evidence.