Doctor insights on:
What Does A High Thyroxine Mean
Tsh level is 9.23 HIGH (0.450-4.500) Thyroxine T4 6.4 (4.5-12) T3 uptake 27 (24-39%). free thyroxine index 1.7 what does it mean?
Hypothyroidism: Your TSH is a substance made in the brain. When high it indicates the possibility that your thyroid gland is not able to make enough thyroid hormone. In some cases, it takes a repeat test to clarify this was not a false test, but at your age, and depending on how well or not you feel, it might indicate the need to start thyroid replacement treatment. Please review these tests with your doctor. ...Read more
T3 (liothyronine) uptake and T4 thyroxine and free T4 index are normal, but TSH is4.65 and per the lab that is high. The highest normal is 4.5. What does this mean?
Once - Nothing!: Any symptoms? Sublinical hypothyroid or nothing. This is an odd combo of tests as T4 & FTI essential measure the same thing. Your TSH is just above normal & there is sometimes variability in the test. I would suggest, repeat testing by an endocrinologist about 2 weeks after this one, with antithyroid antibodies. If (+) closer monitoring, if (-) less close f/u. Fam Hx also important. Don't worry! ...Read more
TSH high (15) free T4 high (4.2) but free T3 low (2.1). 41 yrs old, has partial thyroid removal at 14. Hashimoto. Been on 300 mg of generic synthroid for 20 years. What does this mean?
Thyroid or pituitary: Not clear since both TSH and free T-4 are high. No data on T-4 Hashimoto can effect the thyroid tests either over acive and underactive and synthroid can effect them and raise them. Was thyroid removed because there was a tumor or was it overactive or underactive. A visit to an endocrinologist is in your future ...Read more
I am 43 years old. I have been taking synthroid (thyroxine) for years. But my levels have never been this high. My levels are 14.3, what do I do next?
Expect a dose change: The solution is as simple as you might expect. Your treating doctor will increase your Synthroid (thyroxine) dose and recheck your TSH every 6wks or so until the level normalizes. Sometimes ones needed dose simply and unavoidably creeps up over time, but if there's suspicion of a specific cause your doctor may order imaging of the thyroid or other tests to investigate the reason for the change. ...Read more
I am taking Synthroid (thyroxine) 25 mg. I have been loosing weight. I don't think this dosage is high enough. And why am I loosing weight.
About 1/2: If you mean you take 88 mcg every other day then your dose is 1/2 the strength or 44 mcg-50 mcg. It depends how many times during the week you take it. ...Read more
Yes: Just as you would think.Get a more detailed answer ›
Very possible: See your physician for blood wk ; exam. ...Read more
HR while at rest 58. Had Synthroid (thyroxine) lowered from 150 mcg to 1/2 tab of 112 mcg for 7 days. Also, stopped caffeine HR was high. Is this normal HR 58?
Heart rate varies throughout the day so you cannot rely on just one value.
If the new dose is working OK - relax and enjoy life.
PS: Under most circumstances you are unlikely to need vitamin D in doses more than 1000 units a day. Taking calcium citrate pills is usually also unnecessary unless you had thyroid surgery and your blood calcium was low. If that is not the case, milk is just fine. ...Read more
I hv never had high bp- I am on no meds other than my. 25 mg of synthroid, (thyroxine) it has been 167-99to 157-99-a few times it was 117-79--I don't understand?
PTH and thyroxine:
My apologies if I have already answered this.
The combination of abnormal PTH and thyroxine needs fairly quick attention.
You meed PTH and thyroid labs done and also imaging of your thyroid and parathyroids.
Once that is done your endocrinologist and thyroid surgeon will decide what, if any, surgery is indicated. ...Read more
PTH vs TSH:
Elevated PTH has to do with calcium metabolism and has nothing to do with thyroid or thyroid hormone.
Ane elevated free thyroxine is significant should be associated with a suppressed or low TSH. This would suggest hyperthyroidism is occurring.
PTH can be elevated for a number of reasons including a condition with the parathyroid glands. ...Read more
Does taking a higher dose of Synthroid (thyroxine) mean your thyroid is working even less? Like going from 150 to 200 mcg?
Possibly: For most people, a full replacement dose of Synthroid (thyroxine) would be 125 to 150 mcg daily. Once you are above 150 mcg, the more likely explanation is that you are not absorbing the drug well. You must take it on an empty stomach and wait at least 40 min. Before eating. Don't take other meds, vitamins or supplements for a few hours. ...Read more
Is it truth or myth that thyroxine can cause couple inches growth (height) even in late 30s? Doc said "overdoing thyroxine" can. What does that mean?
Usually not: Overdose of synthroid (thyroxine) may cause tremors (fine shaking) of muscles but not twitches. Fasciculations or muscle spasms are usually benign and don't necessarily mean neurologic or muscle pathology especially if there is no weakness. If the muscle twitches or spasms are new, consult a neurologist for evaluation. ...Read more
My thyroid levels are really high and I'm having trouble losing weight what can I do. And how can I get on synthroid (thyroxine)?
First report TSH 8.10 t3t4 normal on 50mcg thyroxine TSH. 10 t3t4 normal dr change on 25mcg TSH. 05 t3t4 high my weight 55kg what did I do?
Elevated TSH with nl: When ft4 is normal and TSH elevation may indicate subclinical hypothyroidism or acute illness like surgery and pregnancy or any condition that increases thyroid binding hormones. In those cases thyroid replacement are not indicated and may lead to hyperthyroidism which could show suppressed TSH in 8 to 12 weeks. ...Read more
Synthyroid HI BP?: Yes if too much is taken BP will go up. Mostly systolic though. ...Read more
If my TSH is on the high end, but in normal range, like 4.1 would Synthroid (thyroxine) help me lose weight?
TSH: Probably. The TSH test itself is not one of the best tests out there. There is a lot of inter-patient variability as well as intra-patient variability. I follow a patient's symptoms. Certainly, if the TSH is greater than 2.5, under active thyroid needs to be considered and one may benefit significantly in losing weight by being on thyroid medications. It depends if you are having symptoms... ...Read more
Hi doctors. My aunt had her blood test done. Her thyroxine is 14.92, hymoglobin is little high and RBC is 4.92.she used to have headaches.
Let her ask the Ques: It looks like she already has a doctor who can address your/her concerns. Her Thyroxine level is a bit high, so her dose of medication (Thyroxine/Synthroid) may need to be reduced. But that is the job of her treating doctor. Her RBC number is fine. For Headaches, if these are frequent, she may need to see a headache specialist (Neurologist). ...Read more
I am currently on a high dose of thyroxine (250mcg). I do not have any symptoms of hyperthyroidism. Should I be concerned by this high dose?
Depends on your TSH: Some patients require higher doses of medications. Your physician should monitoring your thyroid function via blood tests (tsh). Typically, a TSH is checked 6-8 weeks after starting a new dose and at least once a year once your dose is stable. If you have a lot of weight loss or gain you may need rechecked as well. If your TSH is in a good range then you need that high of a dose. ...Read more
My TSH was high but my T4 was normal but they still put me on synthroid (thyroxine). Why would they do this if the problem is my TSH not my t4?
Hypothyroidism: T4 and t3 are the thyroid hormones that do all the work. Tsh is the pituitary hormone that controls the thyroid. If the TSH is high, it means the T4 and t3 are falling, and the thyroid is failing. It may not have completely failed yet, but it probably will, which is probably why your docs started synthroid (thyroxine). ...Read more
I'm taking dopergin for high prolactin level & thyroxine 50 mg for hypothyroid. How early are my chances to get pregnant? I started then 2 weeks ago?
How are high tpo usually treated? They decreased starting Synthroid (thyroxine) when I was initially diagnosed. Now greater than 1300, normal TSH 2 months ago!
Treat the patient: It is not advisable to treat laboratory findings, but the patient. Dose of synthyroid will be determined by your thyroid function rather than the level of tpo. Thyroid function changes during the development and progress of thyroid disease and will require adjustments to the dose of synthyroid. ...Read more
My 13yr old was diagnosed with hypothyroidism last year. She takes. 75mg Synthroid (thyroxine) everyday. I've heard she had a high probibility of being sterile.?
Is TSH level of 4.67 so high that 25 mcg Synthroid (thyroxine) can't reduce the levels in a month at all? What is wrong? Now my dose is 50mcg. Will it be effective?
Levothyroxine dose: A dose of 25 mcg is very low, and it may not do much. The average person needs about 125 mcg/day as replacement. On the other hand, a TSH of 4.67 is very close to normal. You do not mention your symptoms, but most people with a TSH of 4.67 don't have symptoms. ...Read more
I have TSH 4.910 High and T4 12.1 High - why are both high? I have had thyroidectomy and take synthroid (thyroxine).
Need more info:
All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your TSH is borderline high, T4 may be normal especially if you are taking birth control pills. It would be prudent to discuss this with your doctor at the next visit.
http://www. Nlm. Nih. Gov/medlineplus/ency/article/003517.htis ...Read more
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