First, check whether there is any disease.
1, parasitic diseases: the most common is pinworm disease, and its itching is aggravated at night. At this time, the anal sphincter is relaxed, and the female pinworm crawls outside the anus to lay eggs, thus stimulating the perianal skin and causing itching. In addition, crabs, trichomonads, etc. Also easy to cause anal pruritus.
2, anal skin diseases: such as perianal eczema, neurodermatitis, tinea cruris, anal warts and other skin diseases can cause anal pruritus's symptoms. In patients with hemorrhoids, feces attach to the folds of hemorrhoids or anal skin, causing irritation, itching and irritation.
3, anorectal diseases: such as hemorrhoids, anal fistula, proctitis, proctitis and anal surgery will increase the secretion around the anus, stimulate skin inflammation and cause itching.
Second, check for items, such as drugs or small metal tools.
Anal examination: health certificate anal examination refers to anal sampling for intestinal pathogenic bacteria culture. Candidates take off their pants and put their hands on their knees to show their anus. The staff used a special anal probe (or cotton swab) to go deep into the anus and rectum, and after rotating, they took feces for cultivating intestinal bacteria. Gynecology is often used to check the gynecological diseases of virgins, the degree of uterine opening during childbirth and the abdominal tumors of women in obstetrics.