Apotting for 10 days

Kelsie

So I have been spotting for 10 days straight, and it's sometimes red sometimes pink, sometimes brown and then sometimes DARK brown and it all looks like it's mixed with clear discharge.. I have no cramping, I was nauseous for 4 of the 10 days but idk what's going on.. Please help or give me an opinion. I do have pcos and I haven't had a period since July, and it was Metformin induced but I haven't been on Metformin since August