I'm a 'newby' reaching out....

Hello,i'm new here having very recently been diagnosed with low iron anemia and vit b12 anemia. i've read thru so many peoples stories...can't believe how common this is. My stories long im afraid, but thats just how it is. The only reason i got to find out was because after doing a vigorous zumba workout (been doing it for 7mths) my toes on my left foot went 'ping' as tho the ligaments had over stretched and my toe joints were grinding. My toes and joints swelled and it was so painful i couldnt walk or weight bare. I went to the dr, and she said i'd probably sprained it, rest it, put an ice pack on it and elevate it. I did all the above but went back a wk later...the pain, swelling, tingling and numbness was just too much. Dr gave me strong pain killers and signed me off for 2wks to rest it. It made no difference. Went back to dr again...getting very aggitated with pain, tingling and numbness by this time....she gave me some pain relief gel and signed off again. Again didnt work. I went back again and saw a different dr, who seemed to be more on the ball. He could see from my notes i'd been going thru this for 10wks. He sent me for blood test after blood test to cancel out various things like an infection, gout, etc. and it did cancel those out.....still havnt got to the bottom of it yet, he's Referred me for a detailed xray and physio. But what he did discover is i have low white and red blood cells. I have iron deficient anemia and vit b12 deficiency. That answers a hell of alot of other things for me...as to why im constantly shattered, irritable, dizzy, fainting, confused, forgetful, and low!! Dr said my foot and vit/iron defiency arent connected, but im not sure. Anyone got any ideas? Got xray weds, im waiting for more blood test results regarding b12.