Thyroid UK

Under active thyroid

After a few months of symptoms under active thyroid was confirmed.started on 100mg of levothyroxine and following blood test 8 weeks later dose was increased to 125mg.Some symptoms are improving but still extremely tired with constant headache.returned to work last week after 3 months absence and although only part time am finding it very difficult.Just wondering if people are normally off work with this condition or am I needing to pick myself up and get on with it ?

3 Replies

No, it probably takes years for us to be finally diagnosed, so it stands to reason that it does take time to get to an optimum of medication which will give you back your health.

I hope your doctor isn't one who stops increasing according to the TSH and listens to you re your symptoms etc.

When you are due a blood test (6 weeks, I think when first beginning is best) make the appointment as early as possible and fast. You can drink water. Leave about 24 hours between your last dose of levo and the test and take it afterwards.

Always get a print-out of the results for your own records and post if you have a query. Also get B12, Vit D, iron, ferritin and folate tested if you haven't done so. We are usually deficient.

Also taking Vitamin C with levo helps to convert the T4 to T3. You take levo with a full glass of water and don't eat for approx 1 hour. Some prefer to take levo at bedtime - in that case two to two-and-a-half hours should be allowed after eating before taking levo.

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I found that really helpful, thanks :-)

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well I have been taking this med for about 2 years and i am tired every day and their has been a few times when i have had to ring work and rest up some time its the fact that you are tired and have done nothing


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