Hypothyroidism? Low Free T4 Normal Low TSH
Apr 9, 2016
I have been having low free T4 (9 pmol/L), but normal although on the lower end TSH (1.69 mIU/L).
My doctor has put me on 75mg/day synthroid, because his diagnostic is hypothyroidism. However, I understand that hypothyroidism is normally associated with low T4, but high TSH.
Based on what I have read, it seems that a low T4 associated with a normal TSH may be linked to issues with the pituitary gland (and not the thyroid) or issues with binding agents.
Is hypothyroidism and the use of synthroid indicated in my case?
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I have had 3 TFTs in the last year. My TSH levels are normal but my free T4 levels have been dropping with each test.....apparently this is normal. I am 59 and female and recently I my energy and enthusiasm have taken a nose dive and even my job.
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For sometime I have had panic attacks and frequent infections of chest and ears and viruses.Last April things moved on quickly and I was covered in painful itchy blisters, neuropathic pain, vertigo and feeling shut down. I was covered in bruises. Ambulanceman reported an ischaemic looking ECG and took me to A and E.
The only findings wee raised TSH with normal free t4 and normal Thyroid peroxidase abody. Also raised basophil and eosinophil. They said hypothyroid but my GP says no as no autoantibodies?
I am still suffering-eyebrows gone, no energy, dry wrinkled skin and 3 more courses of antibiotics for chest and throat infections. Any ideas, anyone? Also sight got really bad and joints ache ++
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My son had some blood work done due to chronic diarrhea among many other things (he's on the autism spectrum, ADD, sweetest kid ever-had to throw that in) and we were trying to rule out celiac and who knows what else. Anyway his TSH and Free T4 were normal, but his Free T3 was slightly high. We rechecked it 4 weeks later and it's still just slightly high, with the other numbers being normal. His doctor thinks we shouldn't worry and should just monitor, I'm just looking for any advice if anyone has seen this because I keep reading that typically Free T3 is high when TSH is low?
1/18/16 test results
TSH: 2.44 UIU/ML (ref range 0.600-4.840)
T4,FREE(DIRECT): 1.48 NG/DL (ref range 0.90-1.67)
TRIIODOTHYRONINE,FREE,SERUM: 5.5 (ref range 2.7-5.2)
2/20/2016 test results
TRIIODOTHYRONINE,FREE,SERUM 5.3 (ref range 2.7-5.2)
TSH: 2.940 UIU/ML (ref range 0.600-4.840)
T4,FREE(DIRECT) 1.43 NG/DL (ref range 0.90-1.67)
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I hear these go hand in hand and wondered if anyone who is following a gluten free diet has actually gotten better thyroid results without the meds?
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I am also coping with hypothyroidism and I've been searching for the best possible ways to get my health (and life) back. The doctor I have been working with has made the suggestion to go on a gluten free diet. She didn't go into great detail about it, but mentioned that she'd like for me to nix the gluten. I have also read numerous times on the internet about how gluten is a thyroid destroyer. I have tried countless times to go GF, but boy is it hard. I tested negative for gluten and dairy allergies but my doc (a naturopath) was still adamant that I give up the gluten. I feel like such a failure because I only manage to stay gluten free for about 2 weeks at a time until I cave and have something like a slice of pizza or some pasta or bread. There are gluten free alternatives to these items but sometimes they are hard to obtain or are a pain to cook. I have a very healthy diet for the most part but I've found that removing gluten entirely isn't easy. I've also lost weight while going gluten free, which I did NOT want to do. I'm actually already a little bit underweight.
Does anyone have any tips for me? Has anyone out there successfully gone gluten free long-term, and did it affect your condition in a positive way? I feel like a failure because I keep trying to give it up but it never works out in the long run. I always slip up.
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I've made an appt with a naturopath next week as I'm having an increase in bad symptoms since starting levothyroxine 4mths ago and cannot stand it any longer.
I'm expecting to be told to go gluten free. However there's corn/maize starch (contains gluten) in the meds so I'm wondering about those of you who are gluten free - what type of meds are you on?
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Does anyone know any more about gluten and thyroid function? Read somewhere that going gluten free will improve health. Any thoughts?
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Can someone please help, my anti-TPO antibodies (range 0-34) have gone from 33.5 in March to 141 in August despite being told to go gluten-free and did so consistently for 3 months? My endocrinologist said going gluten-free would definitely sort the antibodies out. I am on 50mcg T4.
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what is causing my t4 and testosterone to be low but tsh to be normal?
i am a 19 year old male and I have had these symptoms for 3/4 years that have slowly gotten worse and have been tested for nearly everything but nothing has come back positive.
i have asked my doctor if my free t4 was low but as always will not agree that it is as it is in their "normal range". i shall be going back to the doctors this week and will request to be tried on some thyroid pills to see if it improved my symptoms? i also read that this could be a pituitary tumor, is this correct?
my symptoms are
Fatigue
Muscle pain
sore lower back
stiff neck
sinus problems/ phlegm in throat/ blocked nose
dry throat and mouth
red nose/ rosacea
cold hands and feet
anxiety
depression
Low testosterone at 13 nmol
mood swings
excess urination
excessive thirst
prickly/itchy/burning legs and feet when stood still for a few minutes.
clay coloured stool / diarrhea
TSH 1.6
Free t3 5.3
free t4 10.9 -----------?
i also had my cortisol tested which was 472 nmol
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I am getting really frustrated with my dr. D not really giving me answers! In april 2013 my TSH levels were .48 (within normal range) I got tested last week on Friday and my TSH levels are .25 and my free T4 is 1.1 (within normal range). I have been feeling really sick lately with very bad nausea (I am not pregnant) and have just been feeling really down with a rapid heart rate of 103 bpm! My dr says I'm obese and that's why I am having these symptoms but seems to be ignoring my thyroid test results. Is it because it's not low enough to worry about and it's really no big deal yet? I also have many nodule and one takes some color.
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I've been told I have post surgical hypothyroidism (left side, 2010) but TSH is consistently low (0.1) or low normal (.396), I don't understand the hypothyroid diagnosis with a low TSH. Can someone explain? I also had left temporal lobe brain tumors (cancerous) and gamma knife radiation. Could this be affecting the TSH level. I have many hypothyroid symptoms, basal body temp is on avg. 96.5, weight gain, tiredness/fatigue....blah, blah, blah. My endo doesn't do too much. Currently taking 50ug of levothyroxine 6 days/week and feel horrible. There are also 3 nodules in the right side now that continue to enlarge. Any answers? Thanks.
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I have been having low free T4 (9 pmol/L), but normal although on the lower end TSH (1.69 mIU/L).
My doctor has put me on 75mg/day synthroid, because his diagnostic is hypothyroidism. However, I understand that hypothyroidism is normally associated with low T4, but high TSH.
Based on what I have read, it seems that a low T4 associated with a normal TSH may be linked to issues with the pituitary gland (and not the thyroid) or issues with binding agents.
Is hypothyroidism and the use of synthroid indicated in my case?
View 1 Replies
Hello I am 30 years old and a smoker for about 14 years my results came back for my ct spine scan and an incidental finding of a 9mm cyst in my upper lung should I be concerned that this maybe cancer? Will they remove the cyst if at all anyways thanks for any information I appreciate it.
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I just received my latest thyroid lab results and my TSH was a 0.06 (range 0.34-5.60) and my T4 FREE is 0.99 (range of 0.61-1.12). My Dr said to continue my dosage of medications and we would recheck in a year. Should I be concerned
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I've had Hashimoto's Disease for 12 years and started taking Levothyroxine. For the past 8 years, I've been on a constant dose, and been very happy with no symptoms of hyper or hypo. Recently I moved and had to go to a new dr, who is very upset about the low (almost zero) TSH even though my Free T3 and Free T4 were normal. She wants me to totally go off all Levothyroxine for 6-8 weeks to "reset" my pituitary. I am very worried about what will happen to me if I did this. I tried going down in dosage, but all my hypo symptoms (gained 10 lbs in a month, extreme lethargy, depression, etc.) returned. Anyone out there have any ideas on what to do?
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I got labs done and my tsh is 4.83 range .50 to 4.30
Free t4 1.5 range .8 to 1.8
Free t3 3.8 range 2.3 to 4.2
My ferritin was extremely low only 13
My issue here is my free t3 and free t4 are both In the upper range yet my tsh is high do I have hypothyroid ?
I have joint pain and hairloss . I'm a 19 year old male . Many women in my family have hyper and hypo thyroid issues .
Looking at my t3 and t4 my thyroid looks optimal to me yet the high tsh has me confused .
I have no issues gaining or losing weight I just have a very puffy face .
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I was feeling itching dryness, heat in hands & feet so i contacted doctor. he suggested TSH, RANDUM SUGAR, ALT tests. After conducting tests the report indicated normal sugar & ALT but high TSH 12.2 (RANGE WAS 0.4 TO 4.5). after that FREE T3 & T4 TESTS CONDUCTED. T3 was 1.3 (range 0.6 to 1.6) and T4 was 7.0 (range 4.9 to 11.7). this all is done in last two days and uptill now no medicine is taken yet. i am very anxious about the situation so please suggest me the best solution, treatment, medication, precautions of this problem.
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Last week I found that my my TSH was 5.73 mIu/L and shortly after that, that my Thyroid Peroxidase AB was 393 Iu/mL. My T4, Free came back at 1.3 ng/dI which I believe is in the normal range. I am currently waiting on my Thyroglobulin AB. Has anyone has an elevated TSH and Thyroid Peroxidase AB but a normal range T4 and still been diagnosed with a Thyroid problem?
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I am 37 years old and about 16 weeks pregnant. When I had my first set of prenatal labs, my TSH came back as low at 0.0643. They called me back in to do a thyroid panel, and I just got my results back which were TSH 0.092, free T3 3.6, and free T4 0.95. The nurse made note that T3 and T4 were in normal range, but TSH is "very low" and they referred me to maternal fetal medicine. The doctor's note says "may need small dose of Synthroid."
I am very confused now. Doesn't a low TSH mean HYPERthyroidism? And wouldn't Synthroid be for HYPOthyroidism? I am finding so much conflicting information online, and I have to wait until my appointment on the 21st to get an answer on all this. Of course, it's all making me very nervous. Can someone help explain or shed some light on my lab results as far as what they could mean? I was seeing that a lower-ish T4 and low TSH can actually indicate hypo, so I'm really confused now.
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I am a 51 year old female and had a physical last week with my general practitioner because it has been a long time. It included blood tests. One test was about the thyroid and I've got conflicting information about the result.
The report says:
TSH Reflex to Free T4
TSH RFLX is 8.25 - and is high, the normal range is shown as 0.40-4.50
T4, FREE
Thyroxine, Free, Direct - 0.8 - and is in range, range is shown as 0.8-1.8
I've done some research and it looks like this combination falls in the hypothyroidism range. However, my doctor says it is fine because the T4 FREE number is in range. There is no family history of thyroid problems. I'm concerned because I have some of the symptoms of hypothyroidism (fatigue, depression, feeling cold).
Does this sound right to those of you who have experience with thyroid disease? Should I see an endocrinologist?
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