> Don't remember the details, but research the idea that it's difficult to culture yeast in breastmilk -- something about having to add iron to the culture to de-activate the lactoferrin?  

> If she has had four weeks of yeast treatment, it's worth pursuing other ideas for ongoing breast pain -- (and the Lactnet archives are a good place to start) -- consider vasospasm,  the new hypothesis of "mammary constriction syndrome" and look up some posts by Dr. Anne Eglash on the topic, discussing a low-level chronic mastitis that does respond to a longer course of antibiotics.  There are also zebras, such as fibromyalgia or costochondritis.

Margaret Wills, IBCLC, Maryland USA

> Date:    Fri, 7 Aug 2015 19:47:59 -0700
> From:    Melinda <[log in to unmask]>
> Subject: Milk cultures: how long to find yeast?
> 
> Dear Lactnetters
> Ordered milk cultures for the first time due to mom's persistent  breast pain post antibiotics for mastitis followed by 4 wk treatment for yeast. Had ruled out other possible causes. No growth in 3 days. Is it possible for a culture to take a week before yeast is found? 
> Thanks for sharing,
> Melinda
> Melinda Harris-Moulton
> ARNP, IBCLC
> Olympia, WA
> 

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