Causes. There are several medical problems that can lead to Hashimoto’s thyroiditis. The first of which is an infection in the teeth, neck, jaw, or brain that is close to the thyroid gland. The infection causes inflammation, which doesn’t turn off when it should. Gluten sensitivities, genetics, and vitamin deficiencies may also be to blame. Some medical professionals have shown research that parasitic infections of the intestines can trigger the condition too since they lead to widespread inflammation in the body. Research continues to be done in an effort to
