Thyroid issue, too low TSH?

My dad has hypothyroidism and his TSH rocketed to around 25 a couple of years ago, since then he has been on thyroid medication (synthetic thyroxine). For a long time the levels came to normal but he wasn’t feeling well for a few days and we got the levels checked again, the TSH came out to be 0.06 which is really low and barely existing. What could be the reason for this? Is the medication making the TSH production low?
@under siege: Although vegetarianism is healthy I don’t think it directly affects thyroid function because my dad is a long time vegetarian too right from his young days.
@under siege: To debunk your theory, let me share a fact. Our family is Buddhist so we all are vegetarians from birth and never ever ate even a piece of meat. But you have been a vegetarian for just six months and are attributing benefits to the change in diet alone. It seems you are the one on a fad diet and are getting overexcited by some random positive results in your thyroid function tests. I am really sure that you have no idea about the endocrine system and so you should keep your guess work to yourself instead of sharing false, unverified information. I am all for vegetarianism but it is not something that will cure ailments right away, being a vegetarian prevents you from getting a lot of diseases in the first place. And the condescending tone full of attitude isn’t getting you any thumbs up either.

3 comments

  • amania_r

    Maybe his thyroid has started working again. Or he may have a condition where he swings from hypo to hyper thyroid.

    Normally you take Levothyroxine at a dose that brings your TSH into the normal range, maybe his current dose is too high.

    I suggest you go back to the doctor for a repeat blood test and professional advice.

  • Under Siege

    Medicines like levothyroxine will ultimately fry your thyroid. Hypothyroid is a matter of diet. My mother had it and my grandmother had it- I was NOT going to live with it for the rest of my life. Change your diet; after 6 months of being vegetarian, my levels were completely back to normal. No more meds, no more having my blood drawn. Meat is one of the worst things for your thyroid.

    Edit: The chemicals in your food DIRECTLY affect your thyroid. If your dad used vegetarianism as a fad, I’m not surprised that he ended up with a thyroid issue. If I suddenly went back to eating meat and dairy- I’d find myself taking pills again. Look, listen to me or ignore me and then get thyroid surgery down the line. Your choice.

  • Jhonny Salomon

    When thyroid hormone levels are too low, the body’s cells can’t get enough thyroid hormone and the body’s processes start slowing down. As the body slows, you may notice that you feel colder, you tire more easily, your skin is getting drier, you’re becoming forgetful and depressed, and you’ve started getting constipated. Because the symptoms are so variable and non-specific, the only way to know for sure whether you have hypothyroidism is with a simple blood test for TSH.
    KEEPING OTHER PEOPLE INFORMED
    Tell your family members. Because thyroid disease runs in families, you should explain your hypothyroidism to your relatives and encourage them to get regular TSH tests. Tell your other doctors and your pharmacist about your hypothyroidism and the drug and dose with which it is being treated. If you start seeing a new doctor, tell the doctor that you have hypothyroidism and you need your TSH tested every year. If you are seeing an endocrinologist, ask that copies of your reports be sent to your primary care doctor.

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