Ok, so my experience has been a bit of a tedious long and drawn out one... basically misdiagnosed mastitis turned out to be thrush, by which time I couldn't take the pain any more and reduced my bf to two a day - one morning and one evening, while ff the rest (6-8 bottles).
Finally got my gp to prescribe fluconazole and the thrush is clearing up, so much so that the pain is gone and I can bf without it hurting at all (a total revelation!).
Today I bf my DS 4 times rather than the two a day I'd been doing, followed by formula as my breasts obviously weren't supplying quite enough (think he was getting between 1-2oz per feed but can't be sure).
So do I just carry on like this, upping the number of bf per day until we're back to exclusively bf? Any other tips to increase supply? Thanks