Hi, my son with Lymes has had weirdly low temps at times so I poked around on line just a couple days ago. The one thing that stood out in my memory is it can happen with infections. I just searched 'low body temperature', then skipped over hypothermia which seems to be externally caused in most entries.
Since you don't feel great either it seems worth being looked over. You might find more useful stuff doing a specific search. I didn't remember most of the pos. causes because I could rule them out so I dismissed them. Another one, however, was anemia. Also worth checking. Oh, and also quite fatiguing due to shortage of oxygen when there's a shortage of red blood cells. Good luck.
edited for spelling! Yes, I may have still missed some oopses.
Post Edited (California Cat) : 7/1/2014 11:16:22 PM (GMT-6)