Anyone had flu like symptoms!??!

Hannah • Mother of two princesses, business owner and sharpei addict :)
So my coil was removed on the 1st November this year!... The last few days I had a pinky/brown spotting and I'm not due till next week.. I can't drink coffee and my sense of smell the past few days is more sensitive and I have flu like symptoms like as In im in bed feeling crap has anyone else had these symptoms or am I getting excited for nothing lol