Itchy red dots on the breast may be related to breast eczema, contact dermatitis or folliculitis. 1. Breast eczema: most common in breastfeeding women, it can appear on the breast, areola and nipple dark red spots with papules or mounds of herpes, which can be accompanied by vesicles, oozing and other lesions, causing obvious itching. 2. Contact dermatitis: when the skin in the breast area is in contact with clothing containing dyes, erythema, papules and other lesions may appear in the contact area, often itching and pain, and the contact material should be removed in time and actively dealt with. 3. Folliculitis: purulent inflammation occurs at the mouth of the hair follicles in the breast area, initially there are red follicular papules, which may be accompanied by itching, and then pustules appear in the center, with redness, swelling and pain. Red papules with itching or pain in the breast area can be consulted and treated under the guidance of a doctor.