Hello, I am having chronic headache from past 3 months. The headache is always there. Sometimes the pain will be in face n some time behind the head and like this pain keeps on shifting. I hav consulted neurologist who suggested me Baga -nt 400 but I took it almost for a month but I don't see any improvements. Also showed it to ent and they gave sibelium.currrntly I am taking this tablet but still I feel not much of a help. I hav done mri and everything looks normal in that as per the doctors. Also I had deficiency in b12 and vitamin d for that I took the medication n now they are within normal limits Please help me here. I have attached the mri report too. Thank you