2020年11月16日星期一

what does a hemorrhoids look like,Causes and precautions of perianal itching

    "It's hot, itchy buttocks..." Some people always scratch their buttocks unconsciously. This indecent action is very destructive. Scratching the buttocks is not a habit in many cases, it is probably because of perianal itching (that is, itchy anal skin). "There is no shortage of patients who have been itchy for more than ten or twenty years in the outpatient clinic. The skin around the anus is scratched. Most of the patients are elderly, and there are also young people.

    What needs attention is that there are many diseases that cause perianal itching, such as anal fistulas, rectal inflammation, anal sinusitis, perianal eczema, neurodermatitis, infections caused by bacteria, molds or parasites (pinworms), renal failure, diabetes It may be caused by poor hygiene, buttocks are often in a warm and humid environment, underwear not dried in the sun, eating intolerance, and mental and psychological factors may also become the inducement of perianal itching.

    First find out the cause and then treat: Anal itching is characterized by intense itching and long duration, especially at night or in a humid environment, the itching is more serious, which seriously affects the normal life of the patient. When itching is severe, scratches, blood scabs, pigmentation, lichen-like sclerosis and even secondary infections may appear on the local skin of the anus due to scratching.

    “Perianal itching is caused by damage to the nerve endings in the skin. Therefore, although the patient’s anal itching is unbearable, nothing can be seen with the naked eye. The patient should go to the hospital for anorectal surgery.” Perianal itching is not difficult to treat. The key to patients is to find out the cause, make a clear diagnosis, and treat the cause. Therefore, after discovering the condition, the patient must seek medical treatment in time, cooperate with the doctor to perform local and systemic examinations, through the doctor’s naked eye, digital anus examination, anoscopy, and if necessary, also perform parasitological examinations. Blindly use medication when you understand the situation.

    As far as perianal skin diseases are concerned, perianal eczema, neurodermatitis, ringworm, various warts, venereal diseases, hidradenitis and other skin diseases can cause anal itching, and the most common one is perianal eczema. Perianal eczema is mainly manifested as skin damage such as papules, blisters, and even erosions and exudates on the anal circle. It is often caused by severe itching and scratching, which causes the skin around the anus to thicken and moss, and the appearance is mostly grayish white. "The most common patient is due to intestinal mucus or a small amount of feces overflowing to the perianal skin, and it is not scrubbed in time, which stimulates the perianal skin and causes eczema." For perianal eczema, you should wash the perianal with a wet cotton ball after going to the toilet, and then Dry gently, use sterile talcum powder without drugs to prevent moisture, loosen a small cotton ball and place it on the anal margin to keep it refreshed. Patients with serious illnesses need anti-allergic treatment.

    If the perianal skin is itchy caused by fungi, you need to take off skin debris to find fungal spores under a microscope. After diagnosis, you can take topical antifungal drugs. In severe cases or those with fungal infections in other parts, you can use intravenous systemic drugs at the same time.

    If you have a history of unclean sexual intercourse, you must go to the dermatology department of a regular hospital for treatment, because sexually transmitted diseases such as condyloma acuminatum and AIDS can also cause perianal and vulvar itching, so diagnosis and treatment must not be delayed.

    Perianal itching may also be a sign of kidney failure and cancer. In addition, anorectal diseases such as hemorrhoids, anal fissures, anal fistulas, anal sinusitis, anal papillitis, rectal prolapse, anal incontinence, etc., lead to increased secretions in the anal mouth, dampness irritates the skin and causes itching.

    Perianal itching should not be underestimated. There is an important reason, that is, chronic kidney disease, renal failure, abnormal liver function, diabetes, gout and other systemic diseases can cause anal itching, and in recent years, some people over 60 years old have found that some malignant tumors in the anal canal and around the anus One of the first symptoms is perianal itching. If the skin or scars around the anus are hard, or form ulcers, accompanied by itching, or even bleeding, pain, discharge, etc., be wary of the possibility of cancer. Of course, the final diagnosis of perianal tumors must go to the hospital to find a specialist for digital anal examination and pathological biopsy.

    Prevention of perianal itching from daily details: when perianal itching occurs, it will be extremely itchy. When the patient is working during the day, his attention is distracted and the itching is not noticed. When it calms down at night, the itching is particularly obvious. Many patients wake up from itching from sleep. , Can't sleep at night. Remind the majority of patients that the summer weather is hot, to prevent perianal itching should pay attention to daily details.

    1. Keep the anus dry and clean on weekdays. It is best to scrub the anus with water after every bowel movement. And as much as possible to clean the anus every night. Warm water should be used to clean the perianal area. Generally, soap is not used, especially soap with strong alkaline. Towels, washbasins, etc. used for cleaning must be dedicated to avoid cross infection.

    2. Underwear should be made of breathable and loose material, washed and changed frequently, and exposed to the sun to sterilize. Do not wear tight, hard pants if itching.

    3. Don't sit for a long time in hot weather, especially those who wear jeans. It is recommended that you stand up and pat your buttocks for an hour or two to relax.

    4. Eat more fruits and vegetables, and do not eat or eat less irritating foods, such as peppers, strong tea, coffee, high alcohol, etc. People with allergies should eat less food that can cause allergies, such as fish and shrimp, and avoid contact with chemicals that cause allergies.

    5. Actively treat those diseases that can cause anal itching, such as diabetes, chronic kidney disease, abnormal liver function, etc.

    6. Pay attention to the combination of work and rest, keep a happy mood, prevent excessive tension and anxiety, do not scratch the anus, do not wipe the anus with hard objects.

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