In the meeting, is shopping, is eating with friends… … anus suddenly a scratching itching, simply let a person collapse! What’s wrong with the embarrassing anal itching? When we feel itchy anus, we usually think it’s because we haven’t changed our underwear for too long. Are you sitting at work for too long? Or even guess whether the ass did not wipe clean? In fact, we think of these are external factors, Prof. Rong Wenzhou, causes anal itching cause is more complex, in general, can be divided into local factors, systemic factors, anorectal and perineal diseases in three areas. First, local factors 1, anal skin disease: anal eczema, neurodermatitis, contact dermatitis, seborrheic dermatitis, warts, ringworm, folliculitis or rectal fecal residue attached to the anus around the folds of the skin, etc., can be caused by anal itching; 2, parasitic diseases: such as roundworms, pinworms, pubic lice, etc., can be caused by anal itching. Second, the systemic factors 1, mental factors: some due to panic, depression, mental abnormal excitement or neurasthenia, can induce anal itching; 2, drug effects: some can be due to the casting of morphine, quinine, arsenic, anesthetic, antibiotics and other medicines, and the emergence of anal itching; 3, the cause is not known: can not find a specific cause of anal itching, known as spontaneous itching, some people believe that this is related to the family genetic factors; 4, allergic reactions: some of them can cause anal itching; 4, allergic reactions: some of the roundworms, lice and so on. The cause is unknown: can not find the specific cause of itching called spontaneous itching, some people believe that this is related to the family genetic factors; 4, allergic reaction: such as some people ate fish, shrimp, eggs, crab meat, etc. can cause an allergic reaction; there are people because of drinking alcohol, eating chili peppers, mustard, spices, and other stimulating foods, these foods can cause anal itching. Third, anorectal and perineal diseases 1, perineal diseases: urethritis, prostatitis, vaginitis, uterine prolapse, etc. will also lead to the occurrence of anal itching; 2, anorectal diseases: such as fissure, fistula, hemorrhoids, prolapse of the anus, anal incontinence, anal sinusitis, anal papillitis, etc. can be due to inflammatory stimulation, anal gland secretion increase, anal moisture stimulation of the skin and cause anal itching. How to effectively deal with anal itching? 1, avoid inappropriate self-medication: many patients with anal itching are reluctant to go to the hospital, take improper self-treatment, such as hot water scalding, external use of high concentrations of corticosteroid hormone or containing anti-stimulant medications, self-purchase of some crude household physiotherapy equipment, such as self-treatment, the disadvantages of these methods are more than less, only temporary suppression of itching, the long-lasting cause of the lesions to prolonged and increase the drama, the patient should be advised to stop using. 2, pay attention to health, do not eat or eat less stimulating food: such as spicy food, strong tea and coffee, strong alcohol. Clothes should be loose fit, close underwear to cotton fabrics for good, pay attention to sunlight drying, drying underwear indoors is difficult to play the role of sterilization. 3, pay attention to the local anal clean: often wash the perianal skin, change underwear, anti-constipation. Less sitting and more activity body, so as not to cause the lower body hot and humid trigger bacterial growth. Do the above prevention and control method, if the anal itching has not been lifted or alleviated, then we must consider the body lesions, at this time you have to go to the doctor, and then the embarrassing part of the symptoms we can not be sloppy, hiding self-solutions is not a viable way to solve the cause of the cause of the cause, in order to get rid of the trouble completely!