You can try the moms co nipple butter cream. Which is of totally natural ingredients. It helps to get rid of cracked and sore nipple's . Even it is also safe during breast feeding.

apply ur breastmilk on nipple and aerola area...also there is a ointment called. nipcare which u can apply 3/4 times in a day..do consult lactation specialist for proper latching..

Agree with Syama's solutions... also, correct your latching... you can find some tips for breastfeeding on my page... if it does not help, do visit a lactation specialist...

Sore nipple issue is common while breastfeeding. Your breast milk is the best solution to heal this. Apply your breast milk on affected area few times. You can also take few cubes in a thin towel and rub on the affected area. This will help