1 - Make a quick search if something too common regarding symptoms, or something seems urgent to see a doctor.
2 - Don't diagnose, if you suspect something specific, I don't tell it to doctor, nor anyone.
3 - After search if this seems something really small, try some safe home therapies, otherwise, go to doctor
4 - Following the diagnosis, check it through the internet.
5 - Always check the medications, to understand the doctor's approach, aggressive or safer, or if medication is just placebo or pain-killers.
6 - Take the madications as prescribed, but combining the information on internet and impression on doctor, consult a second doctor if you feel necessary.
7 - If you see the doctor - just in case - not for serious complain, and the medication seems just for the symptoms not the reason don't use the treatment and see if something gets worse or better without them.
8- If something serious in hand, always search the internet for further treatment, whether lifestyle changes, and to see what might we expect. Resist reading forums, even though you may find really useful information in them, most of the time people who cannot heal, or had serious side affects on medications write. So this affects brain statistics on in a wrong way.
9 - If you have a specific disease, foundation-like sites on the specific disease do provide useful, organized, advanced, and most updated information.