Hmm. I can relate to the not wanting "some old bloke looking at" my vagina part.

what about female doctors? Some women will only see men, some will only see women, and some don't care either way. So doctor offices and the like are used to people asking for a doctor of a certain sex. Also, many clinics are all female. I went to one like that and loved it. All of the doctors, nurses, and secretaries were female.
If she feels like her last doctor didn't do a good job, that's no reason to avoid doctors altogether. She can go to another doctor. I have had some doctors that rushed me in and out, but I have had others that actually took time to sit down and explain things. There are a lot of doctors out there. Actually, the place where people always sat down with me to explain everything in depth was at the all female clinic. However, if the doctor gave her something to clear it up, and she never took it or never told the doctor that it didn't work, that isn't the doctor's fault. They don't know the treatment didn't work unless we tell them that.
If she has had a yeast infection for this long, or if it is a yeast infection that keeps coming back, it could be a sign of an underlying problem.
Also, yeast infections can be passed on. That means that you could end up with it on your penis or in your mouth!
I suppose the hard part will be to get the information through to her, however. You know her better than we do, so you know what might make her angry, or what might make it through to her better than we do. Maybe you could find some websites about it to show her? Maybe seeing that it can be a sign of underlying problem, or that she could pass it on to you would make her more likely to see a doctor?
Http://www.Brown.Edu/student_services/heal
th_services/health_education/sexual_health
/sti/yeast.Htm
http://www.Jhhs.Org/myjewishhospital/encyc
lopediahtml/95.Html