reasons for rectal itchingsevere itching everywhererectal pain and itchingsevere itching all over no rashfoods that cause rectal itchingsevere itching all over my bodysevere itching hands no rashsevere itching all over body no rashcauses of rectal irritationsudden severe itching all over bodysevere itching all over body at nightsevere itching over entire body