A.L.
i am sorry to hear about the breastfeeding problems you're having! i can relate, since we saw many lactation consultants in the area for weeks until they found the problems. my daughter who is 4 1/2 months old and happily breastfeeding, had tongue-tie and torticollis. torticollis is when a baby is born with a stiff neck, tilting a bit to one side. this made her uncomfortable to nurse. she is fine now after a bit of physical therapy. her tongue-tie was also effecting the breastfeeding. my daughter was losing weight, and we we were told we would probably have to supplement or stop breastfeeding.
anyway, both of these problems were discovered by dr.penny soppas in drexel hill who is an amazing pediatrician AND lactation consultant. she fixed the tongue-tie right there in the office the same day. (wish there were more of those out there) she's not our regular pediatrician-we just saw her for these problems. she's amazing!
i'm not sure where you're located, but the breastfeeding resource center in glenside is really wonderful and helpful. http://www.breastfeedingresourcecenter.org/
hope this helps...GOOD LUCK!