Can a severe vit D def. cause manic episodes and hypersensiivity to light and sound? My PM Dr diagnosed me with this and said that it COULD be whats causing these symtoms but my regular Dr. said, no, that isnt the cause. They have me on extremely strong Vit D pills once a week for 8 weeks but the fact still remains, I was getting the D (viacta+D, sun, vit D milk), on a daily basis and have never had any kind of deficiency nor these syntoms in my life, I am 46. I have had 3 different diagnosises off the same lipid panel by 3 different Dr.s in the same building. What do I do to get to the bottom of this and how am I find out whats causing the reactions I am having? I am advocating for myself strongly but it is getting me no-where. I have told my Dr I want a diagnosis, not just dealing with these symtoms, he might order an MRI on my brain on Monday to see if there is any cause that way for the symtoms but that still will not tell me why I am severely vit. D defficient. Any advice would be greatly appreciated as I am dealing with the reactions now. Thank you.