>I saw a mother this past winter who had lots of recurring blocked ducts in
>both breasts..... Other weird stuff: when she had
>these flare ups of blockages she also got mouth sores.

Hi Anne,
Sometimes sores in the mouth can be thrush. Adults don't usually get the
white-coated tongue appearance that we see in babies. They can have just a
sore tongue, or throat, or ulcers. Cracks in the corner of the mouth
(angular cheilitis) are not uncommon also.
Lisa Amir
GP / IBCLC in Melbourne, Australia