can anyone help me please, for the past two days i noticed a shooting pain on feeding in my left breast, thought it was the start of thrush. then today i have noticed a large hard area and the skin is slightly red looking. i had these symptoms on samr breast when i had a blocked duct but this time i have a headache, and feeling hot all time, my temperature is 37C. couyld this be the start of mastitis and if so should i try to get emergency appt at docs over weekend