What could be causing the numbness in my hands and feet?
The numbness in your right hand is consistent with an ulnar nerve compression. The ulnar nerve relays the sensory information from the entire pinky and the half of the ring finger that faces the pinky. Ulnar nerve compression is nothing to be worried about and is usually caused by having your arm in certain positions for too long. Many times, it is difficult to tell exactly what position is causing this numbness. Your big toe numbness is not consistent with any one nerve, so it is likely another problem. You can have numbness in your toes for many reasons, such as the toe being too cold for too long, or even if you breathe too rapidly. Because it has been going on for 15 years, it is not something you should be worried about. If you are indeed having cluster headaches, there is no relation of this to your numbness. Cluster headaches are caused by local vasodilation (blood vessels getting bigger) in your head. These bigger blood vessels push on the nerves in your head, giving you a head