Anal itching is not necessarily hemorrhoids, but may also be due to perianal eczema, anal fissure and other diseases.
1. Hemorrhoids: the etiology of this disease is not completely clear, but there are currently two theories, namely, varicose veins theory, the anal cushion under the theory. Common predisposing factors are poor bowel habits, low-fiber diet, chronic diarrhea or constipation, obesity and so on. Most patients have no symptoms in the early stage of the disease, but then there will be perianal itching, bleeding, pain and other symptoms.
2. Perianal eczema: the occurrence of this disease may be trauma, hemorrhoids, local environmental hot flashes, heredity, mental stress, insomnia, gastrointestinal tract dysfunction and other factors interact and cause. The patient’s perianal skin will appear itching, pimples, redness and swelling and other symptoms.
3. Anal fissure: research has shown that the causes of this disease include pathogenic microbial infections, reduced blood supply, anal canal stenosis, mechanical factors, etc., which can be induced by anal trauma, inflammatory bowel disease, mental stress and other factors, resulting in pain, blood in the stool, constipation, itching and other symptoms.
In addition, anal itching can also be pinworms, anal fistula, neurodermatitis and other diseases.
All in all, there are many causes of anal itching, patients need to go to the hospital, do the relevant examination, to clarify the specific causes of the disease, and give reasonable treatment as soon as possible.