What Causes Tiredness Along With Disorientation And Light Headedness?

35 year old female, non smoker, healthy, no surgeries , became anemic after birth of 2nd child 9 months ago. Since December I ve been extremely tired, all the time. I m never not tired, even when I sleep 7-8 hours a night. I ve had a feeling of disorientation as well with a few hours of lightheartedness and dizziness. The disorientation is daily. My vision has been getting blurry at times as well as a feeling of disconnect with things I look at daily. I ve had three sinus infections since December. I do have seasonal allergies but this year just can t seem to get rid of it. I also have a spot on my back that becomes numb and tingly on a daily basis , especially noticeable when holding my son. It is upper back near spine left side. There have been two instances that my hands up to my elbows as well as feet up to my calves get a tingly falling asleep feeling and will last the entire day and be gone in the morning. For the last three days I ve had a sore throat, painful on the left side under the chin and back by throat with post nasal drip. Also been coughing up blood, bright red throughout the day. I don t have a cough, I just make myself cough up the the post nasal drip running down my throat. I ve had a blood test with deficiency in D and although no longer anemic, still on the very low end. Also had a CT of sinuses and just some minor inflammation was all that was found.