Do you think it is infected?

I would suggest warm compresses and frequent massage.

If there is infection you could take oregano oil instead of antibiotic.

Take 7 drops 3x per day for about 5-7 days. You can either mix in orange juice or on a teaspoon of pure extra virgin olive oil (cold pressed)

Magnesium deficiency can be a result of any Antibiotic use causing an overgrowth of Candida in the guts. Wipe that out with Caprylic Acid taken at regular intervals. Supplement with Magnesium Chloride or eat an apple or two. Drink plenty of water to enhance hydration and consider Calcium D-Glucarate as noted in this link: http://www.truestarhealth.com/Notes/2820001.html
Candida overgrowth raises estrogen levels as creating its own, and Calcium D-Glucarate stops the enzyme that delinks the body's ability to flush out toxic hormonal byproducts that are carcinogens. I wonder if a little cold pressed castor oil topically will remove any possible latent adhesions? God bless!

magnesium calcium vitamin D...Mastitis likes a magnesium deficient host and mastitis and Breast Cancer are linked.I am NOT a doctor so do your own reading.magnesium and calcium have to be taken together and calcium and vitamin D have to be taken together. I hope this helps.

I not saying magnesium is a cure for Breast Cancer just if you look up mastitis and magnesium deficiency Breast Cancer comes up with it. once again I hope this helps.