Mine were like that in the beginning. Try putting a cold towel on your breast it helps them stop itching and burning.
They recommend a supportive sports or maternity bra. I know mine are aching so bad they feel like they're on fire. I'm just 5 weeks along and have definitely noticed also. Also check with your doctor or primary care physician to see if it's safe for you and baby to take Tylenol and Advil.