URGENT HELP!!

Gina
For the last couple of years, I have been plagued with recurrent yeast infections.
I have been to endless doctors appointments, had 2 week long antibiotics to cure it and nothing stops it!
It's roughly once every month or so and genuinely starting to ruin my life (and my bank balance!) 
I only wear cotton panties
NEVER use soap down there - even the feminine wash sets it off.
No tight clothing down there.
Rarely have a bath - usually a shower now
I feel like I take every precaution and yet still get it.
My doctors seem so reluctant to see it as anything other than 'you've got thrush, he's some cream'
Is anyone in the same boat? I feel so alone, because it is a little gross but that's my life now!
Any help or advise would be so appreciated xxxx