I am currently takeing 7 types of medications. Zolpidem, Zaleplon, Naproxen, Trazodone, Propoxy, Endocet, and Omeprazole. Every since I started takeing them my toe nail has turned a shade of black and stays that way for a while then all of a sudden it starts getting real lose until I can just pull the whole thing off. When I pull it off it is painless and the nail does grow back. It has already fell off twice now. Could this be a side effect of one of my medications please let me know... Thanks