If the granules on the nipples are itchy and watery after scratching, consider dermatitis or eczema, you can use dermatophyte ointment or Bute ointment to rub the affected area. You should pay attention to your diet during the use of medication, do not eat spicy, beef and lamb, seafood, these stimulating foods, choose cotton, the right size of underwear, to reduce the friction on the nipple. If the particles on the nipple red, itchy, painful, considering the inflammation of the infection caused by the use of erythromycin ointment wipe the affected area, oral amoxicillin capsules, diet to light, do not squeeze the hand, to prevent the spread of inflammation.