Levothyroxine and proton pump inhibitors (PPIs) can interfere with each other, reducing thyroid hormone absorption. Learn how this interaction raises TSH levels, who's at risk, and what to do about it.
Hashimoto’s thyroiditis is the most common cause of hypothyroidism, affecting 4% of U.S. adults. Learn how TSH monitoring guides levothyroxine treatment, why antibody tests aren’t needed for ongoing care, and how to manage symptoms effectively.