My rectal has been itchy for a year, what can i do?

Beer : And caffeine as well as excess moisture are frequent causes of anal itching. You need to cut them out entirely to get resolution. As to the other causes and your other activities i suggest you follow dr fowler's suggestions.

More info needed: It may be a skin problem like generalized pruritis / itching. There could be tears that develop from constipation + straining with each bowel movement. As the skin heals the area becomes itchy. I suggest making an appointment with your primary care doctor. He or she will then be able to make a treatment plan. Hope that you feel better soon ...