I have had a version of this for about 10 days- same with Bdarg. We even will feel better for a few days, then it comes back. Dizziness, head/back/shoulder ache, nausea, feeling completely "out to lunch" totally wiped out even when not dizzy, a little bit of sinus, stuffy ears, but not anything major. No fever. Did have a full day of sneezing. Labor Day we were both in the bed, felt a bit better during the week, and bam! Hit me again this morning- getting ready to go to bed now (8 pm!!!).
I have talked to several people today with the same symptoms- it is weird! Sudafed/Advil and Dramamine for dizziness helps.