Before four years I was severe Vit. D and Vit. B12 deficiency. Just two months before I have done root canal. From that I have severe back pain, sometimes burning sensation on backside, headache, feeling weakness, dipressed mood, not concentrating on work, anxiety. I have done blood test. My vit. D is 60ng/ml, vit. B12 680pg/ml. My CBC, HB, LFT, KFT, cholesterol is normal. Orthopedic Dr prescribed 4 tab. of vit D suggest to take one table after three weeks. I have also consulted to Neurologist. He has done plane MRI of head. MRI comes normal and prescribed antidepressants and Felicita OD which have vit b.12. Let me know that May I have Vit. D and Vit. B12 deficiency. If any one concerned such problems, please suggest