. . . . "Avoid using it on areas close to mucous membranes, such as the vagina or rectum, in skin folds, and on areas that have hair or sweat glands.-Some powders and antiperspirants, such as those that contain talc and aluminum, cause skin irritation during radiation therapy and should be avoided when you are receiving radiation treatment.DrugsYour doctor may prescribe an antibiotic if your pruritus is cau" .