While a website should never replace an MD, there are nonetheless several excellent websites like WebMD.com and DrKoop.com that offer up-to-date, reliable health care information that you can consult to learn more about your illness, or which medications not to mix.
There's a health care specialist for everything, no matter how minor you may think it is, so don't be afraid to look. The Internet, of course, is the best place to find them. Even if you can't find someone right away, there will most likely be support and information groups online that can help.