How is it possible to come from Hyper to Hypo w... - Thyroid UK

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How is it possible to come from Hyper to Hypo within 8 years off meds


I'm here to seek an advice, I'm 35 years old man, back in time I've been diagnosed with hyperthyroid in 2008 been on meds ( Neo-Mercazole ) till dec of 2010, then doctor advised me to cut off meds after lowering the does starting of jun or may 2010, anyway stopped taking Neo-Mercazole in dec off 2010

re-tested in feb 2011, was normal

re-tested in jun of 2011, was normal

and the doctor said your okay,

when it was hyper back then i was struggling to swallowing food,

then, I'm okay im no longer having swallowing issues n nothing at all

what's weird is that in 2017 I felt the same symptoms

I didn't pay that much attention back in time

lately last month I got sick, random fever, unusual heart rate, went to clinic, done few blood tests then guess what, I have a hypo now

first test given tsh 11.75

repeated the test after a week

Tsh level went to 10.75

Went to doctor, doctor said , it's sub-clinic cause,

Difficulty symptoms, thyroid is not normal I feel it had doubled its size, kindly advice me any tests to be done in the future and how is it possible to come from hyper to hypo after almost 8 years off meds

Note: When I first diagnosed with hyper in feb of 2008, before that I got skinny and lost alot of weight, while on meds got better and better, but after stopped treatment due to the recovery of hyperthyroid I haven't gained weight it remained the same 70 to 72 km, and now in Oct 2018 when I discovered my TSH is 10.75 I haven't gained weight or noticed any weight change, is it all normal to turn from hyperthyroidism to hypothyroidism after 8 years of recovering the hyperthyroid

Kindly, does it related to Hashimotos!

3 Replies

Have you had any other blood tests ? Have you had an Ultrasound scan of your Thyroid (or Thyroid & Parathyroids) ? Are you under an Endocrinologist? Are you in UK?

Ask for copies of your medical records.

Ideally you need the following blood tests (there may be others too ) -

Full Thyroid Function Tests ie to include FT3, FT4, T3 & T4 and Thyroid Antibodies TPO and Tg (Thyroid Peroxidase and Thyroglobulin ). ALSO: nutrients levels of:

Vitamin D, Calcium, Phosphorus; Vitamins B12 and Folate; also Ferritin.

You could also ask for test to eliminate Coeliac Disease.

Your TSH is high (above range) which does indicate Hypothyroidism but I'm surprised that at least T4 wasn't tested as well.

If your Thyroid is swollen then I would ask GP to arrange Ultrasound scan.

I have read on here of one or 2 others who did not gain weight. However I did, lots ! Undiagnosed for many years. Weight increased after every infection and get URTIs a lot.

Hope this helps.

Hopefully someone with experience of Hyper will come along and have more info.


lovely photo🐾

Thanks Mary for lending a helping hand, I have done those tests on 26st of Dec 2018, TSH 10.76 T3 1.27 T4 8.89 vit.d 20.3 WBC 5.07, I printed your recommendations, will get those tests done by tomorrow, I have an appointment with my GB on Thursday 4th of Oct, He treated me when I had hyper, hopefully he'll do well this time either,

Could you please add the ranges for these blood tests results?

So, what has happened since these results nine months ago? ? What have you been presribed? Are you being treated for Vitamin D deficiency? Where are your results on the ranges?

What medications are you now on?

Your T3 , T4 and Vitamin D all look low - but the ranges are needed to confirm this.

If you do have the Thyroid Antibodies tested and an Ultrasound scan of your Thyroid - these should show if you have Hashimoto's.

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