Michele, thyroiditis is any inflammation of the thyroid. There are numerous causes, some types are chronic and others short-term. Here is a quick guide that may help you sort it out:/www.clinicalkey.com/topics/endocrinology/thyroiditis.html
It's important to know what type of thyroiditis you have, and also to know what your blood test results were - I always ask for a copy of mine, so I know my result as well as the reference numbers. You might start by requesting your lab results, they might help us give you more information.