The male anus inside the edema over sex generally does not have much to do with, the impact is not big. Sex generally does not cause stimulation of the anus and rectum, so the relationship is not big, but in the sex need to prohibit anal sex, anal sex is inappropriate sexual behavior, but also on the anus and rectum parts of the serious stimulation, so that anal edema aggravate the situation, when serious, it will lead to hemorrhoids and other anus and intestinal diseases, such as fissure, anus inflammation, proctitis, and so on. Anal edema can be relieved by warm water sitz bath or 1:5000 potassium permanganate solution sitz bath way, at the same time need to keep the bowel movement, if there is constipation, you can take lactulose or laxative pills to treat, in order to be safe, in the anal edema during the period of also need to be appropriate abstinence from sex, do not be too frequent. If the symptoms of anal discomfort are not relieved, it is recommended to go to the hospital in a timely manner, so as not to delay the condition.