I can’t believe there aren’t any doctors in Amsterdam (or even The Netherlands) who can help you.
You have to search on:
‘homeopatische arts / dokter’
‘alternatieve geneeskunde / dokter’
.. more I can’t think of right now.
List of some alternative doctors in The Netherlands:
Your best bet would be to just ask on this Dutch forum:
or here: http://www.me-gids.net/Forum.html (although this is more for me/cfs, they have topics about candida too)
If you use Google Chrome (https://www.google.com/intl/en/chrome/browser/)to surf the web, Chrome will translate Dutch automatically to English.