That iron number is still just too low. It needs to be between 50 and 70.
Iron deficiency can also cause burning and tingling neuropathy like symptoms.
I have an iron deficiency and had problems getting any results from the over the counter iron supplements.
There is a good prescription iron med out there called repliva that has helped me significantly. Please ask your doc for it.
Here is a post I made on iron deficiency. Its about half way down the thread.
http://neurotalk.psychcentral.com/sh...ron+deficiency