I Am 44 Yr Old Female, I Have Been Sick

I am 44 yr old female, i have been sick on and off since 12-15 gone to doc and began treatment for an upper respritory illness. I have started checking my sugar and my bp reg. So within the last 5 days my sugar is ok my bp a bit weird and now at times i am very lightheaded almost faint, at times confused. My eyes are steady watering i am tired and want to just sleep ALL the time. I have set an appointment with my doc for a complete work up