Suggest Remedy For Excessive Spotting

Hi, I ve been spotting for 14 days and counting. I have regular periods, and am not on any form or birth control. So this isn t normal for me? I recently had a pap test and everything was fine in regards of down there. Any ideas? The spotting (colors) varies from pink (noticeable when I wipe) red and brown. No cramps or heavy flows. Last time I had inter course we didn t use protection