Guides

Plain answers to common questions about levothyroxine, thyroid tests and living with hypothyroidism. General information to help you understand your health, never a replacement for your own doctor.

• How Far Apart Should I Take Iron and Levothyroxine?

  Take iron at least 4 hours apart from levothyroxine, as the label says. Why the two clash, sample daily schedules, and what to ask your doctor or pharmacist.

• How Long After Levothyroxine Can I Drink Coffee or Tea?

  Wait 30 to 60 minutes after levothyroxine before coffee or tea; a full hour is safer. What the small coffee studies found, and options if you can't wait.

• How Long After Levothyroxine Can I Eat? The Wait Explained

  Wait 30 to 60 minutes after levothyroxine before eating. Why food gets in the way, how to fit the wait into a busy morning, and when to ask about bedtime doses.

• How to Take Levothyroxine Correctly: A Simple Daily Routine

  Take levothyroxine with water on an empty stomach, wait 30 to 60 minutes before food or coffee, and keep iron and calcium 4 hours away. The routine and why.

• Still Tired on Levothyroxine? Reasons and What to Check

  Still tired on levothyroxine? A dose change takes 6 to 8 weeks to settle, timing can cut absorption, and low iron, poor sleep or low mood can add to it.

• What Is a Normal TSH Level? A Plain-English Guide

  TSH shows how hard your brain is nudging your thyroid. Normal is a range that differs by lab, age and pregnancy, and your doctor reads it with your history.