Jaw pain and numbness in the left
arm are some of the signs of impending heart problems. Jaw pain
can be one of the most excruciating pain known to man. oir woman!! You must determine the source of the pain, what is causing it. Something is putting pressure on the trgeminal nerve, it could be putting your hands in hot water, the tissue swells a little, putting pressure onthe nerve causing the pain.
Are you unconsously clenching your teeth when running?