Switching from Synthroid isn’t just a simple swap—it calls for careful medical testing, tuned-in dose conversions, and close monitoring. This article walks you through what you actually need to know before making the change. From TSH test timing to pitfalls in brand-name versus generic meds, you'll get the straightforward facts. Discover how your body can react to different levothyroxine options, plus expert tips for a smoother transition. Stay on top of your thyroid health with solid, real-world advice.