How is hypothyroidism treated?

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The treatment is to take levothyroxine (thyroxine) tablets each day. This replaces the thyroxine which your thyroid gland is not making. Most people feel much better soon after starting treatment. Ideally, take the tablet on an empty stomach (before breakfast). This is because some foods rich in calcium or iron may interfere with the absorption of levothyroxine from the gut. (For the same reason, don't take levothyroxine tablets at the same time of day as calcium or iron tablets.)

What is the dose of levothyroxine?

Most adults need between 50 and 150 micrograms daily. A low dose is sometimes prescribed at first, especially in those over 60 or with heart problems, and is then gradually increased over a period of time. Blood tests are usually taken every 2-3 months, and the dose may be adjusted accordingly. The blood test measures TSH (see above). Once the blood TSH level is normal it means you are taking the correct amount of levothyroxine. It is then common practice to check the TSH blood level once a year. The dose may need adjustment in the early stages of pregnancy. Also, as you get into late middle age and older, you may need a reduced dose of levothyroxine.

Missed a tablet?

Everyone forgets to take their tablets from time to time. Don't worry as it is not dangerous to miss the odd forgotten levothyroxine tablet. You can take any missed doses as soon as you remember. However, you should try to take levothyroxine regularly each morning for maximum benefit.