Yeast infection not going away.

I've been getting a yeast infection almost every month the few past months, I've tried taking the oral capsule and pessary to treat it but it's not working. I don't think its healing at all because theres always white/pale yellow clumpy discharge (always on the inner labia area - not so much on my underwear).

However I've never felt it burn or itch or get itchy or anything like that sort. I don't even notice it until I wash myself down there (only with water I stay away from using soaps because I know it can disrupt the pH levels).

I'm calling my doctor tomorrow about this but in the meantime does anyone have any idea why this is happening or what I can do to treat and prevent it?