two days late and probably seeing things

My period was supposed to start 6/9. I started dark brown spotting 6/8 and it's still only a couple drops each day. I've been extremely nauseous all day so I decided to test, but it wasn't my FMU. Is there possibly a vvvfl here? I had to do a double take as I am recovering from a UTI and the meds tinted my urine, so it's a little hard to tell. I have been feeling quite "off" but I could be symptom spotting. I am 16 dpo and my LP is never more than 14 days, and my temps dropped a bit but still above cover line and still higher than they were when my last period came.