I am dealing w/ long-lasting thrush too, and my "baby" is 17m! It just started last month, though. I realized that mine keeps coming back from cracks on my nipples. I think the thrush changes the texture of my nipple skin, gets dry, flakey, paper-y, and then cracks. So this week I've been super vigilent w/ putting on neosporin and antifungal cream after nursing (after wiping nipples w/ vinegar solution and GSE solution). It really seems to help keep my nipples from getting to that dried out texture, speeds healing, and therefore, keeps out the thrush!! I'm really hesitant to say this (don't want to jinx myself!), but I nursed Lily relatively pain-free today for the first time in 3 wks! Oh, the other thing I've changed this week is going up to 9 caps of acidophilus, 4 grams of vit. C, and 4 garlic pills.
Treating your baby w/ the acidophilus would be really helpful for you too!!! My friend loved the Jarro brand, and esp. their baby acidophilus.
And my other friend sent me recently some info about the importance of having Bifidus supplements too, which I think the Jarro acidoph. has.
Good luck!! You're doing the best thing for your baby. It will get better!!
Oh, are you doing a vinegar rinse on your nipples after nursing? That's really important. And on kellymom, there's one link to an excellent article on hidden places yeast needs to be cleaned.