Doctor insights on:
Side Effects Of Low Tsh Levels
Liothyronine is T3 (liothyronine): Liothyronine is the generic name for tri-iodothyronine, (t3 (liothyronine)). It is considered the active form of thyroid hormone, although all cells can convert T4 (the predominant product of the thyroid gland) into t3 (liothyronine). Can be used to replace thyroid hormone, but it is short-lived. This means it must be taken multple times a day, and gives levels which are constantly going up and down (not ideal, hard to adjust). ...Read more
Valproic acid at low doses causing greater mental adverse side effects, and greater physical side effects at higher dosages?
Dose related: Both mental and physical side effects with valproic acid are usually dose related (higher the higher the dose). However, you might notice that the effectiveness (reduction in mental symptoms) is also dose related. What you are thinking of as adverse mental side effects might be untreated psychiatric symptoms. Part of what makes psychiatry interesting! :-). ...Read more
Yes: There are lists of common symptoms you can check online, but there are also more subtle things like what you mention. Less tolerance for pain is another. But the best idea is to have lab work and discuss possible supplemental Tx w/ your Dr. There are some risks but if it can help - that's be great! Good luck finding help. ...Read more
I have low estrogen and low tsh. (but my testosterone, thyroid, and prolactin levels are normal) what could be the cause of low estrogen and low tsh?
Anemia: It is not the low iron levels per se that cause symptoms, but the anemia due to iron deficiency that, depending on severity, may cause symptoms. Please consult this site for information on this topic. http://www.mayoclinic.org/diseases-conditions/iron-deficiency-anemia/basics/symptoms/con-20019327 ...Read more
Low thyroid function: If you have a high TSH, it may be that you have hypothyroidism, which is very common & responds well to very cheap medication to correct. Low thyroid function can cause depression! So if you have thyroid hormone deficiency get treated, your depression will improve faster, even if on depression meds & the meds may not work if your thyroid hormone level is very low. See doc and get further tests. ...Read moreSee 1 more doctor answer
Irregular bleeding: The most common side effect with the low does birth control pills is breakthrough bleeding. Depending on you body size and menstrual history, some women have irregular bleeding on the lower dosages of estrogen. Estrogen is used to stabilize uterine lining, therefore if bleeding persists, may need to increase dose. ...Read more
Bodybuilding?: Dont do either of those. Cytomel (liothyronine) will throw your thyroid panel off and you maybe on it for the rest of your life. Dont mess with your thyroid. Clenbuterol is a beta agonist only made in certain countries like mexico. Way too many side effects including palpitations, hypertension, and sudden death. You can get shredded without that crap! strict diet and cardio. ...Read more
Multiple effects: A truly non-functioning thyroid with almost no thyroid hormone synthesis will show many symptoms: most commonly dry hair/nails/skin, mental slowing, loss of eyebrows, weight gain, heart slowing, constipation, menstrual/sexual dysfunction, swelling, et al. This definitely requires thyroid replacement. However, the most commonly seen mild hypothyroidism (tsh 4-10) usually has very few effects seen. ...Read more
Steroidogenesis: Hi. Cortisol is a tightly regulated end product steroid hormone produced in the adrenals, whereas DHEA is an intermediate in the steroidogenic pathways in steroidogenic tissues (adrenal cortex, ovaries, testes), and not a regulated end product steroid. As long as you have enough cortisol, you're good. By your age (53), you're menopausal, and your ovarian DHEA is very low (~zero). ...Read more
Few if needed: The key is to only use if needed and get the right amount to replace a deficit. Too much can cause problems with the prostate, atrophy of the testicles, fluctuations in libido and mood, elevated lipids, and acne. Blood levels of free testosterone can guide the amount of replacement. ...Read moreSee 1 more doctor answer
Need to look at T3 (liothyronine): And free t4. Low tsh, depending on the sensitivity of the assay, indicates thyroid hyper-function. However, the suspected hyperthyroidism needs to be confirmed with high levels of T3 (liothyronine) and free t4. All lab tests need to be evaluated in the clinical context and it would be prudent to take up the issue with your doctor. ...Read more
Unlikely but...: Rhodiola is known to improve thyroid function and thus might be expected to reduce TSH levels somewhat (though more research on this is needed). However, a low TSH tends to be a sign of hyperthyroidism and, as far as i know, rhodiola is not known to stimulate the thyroid to the point of hyperthyroidism. ...Read moreSee 1 more doctor answer
Very low TSH with high normal free T4. Twitching. Changed dose. How long til levels normal out? Still twitching 2 weeks later. Had basic neuro exam.
What did you: change the dose of? If it's thyroid replacement, it can take weeks for the level to normalize, asumming you're now on the correct dose. If it's an ANTI-thyroid drug, it can takes months to work as it only inhibits the formation of NEW thyroid hormone, not the hormone that's already been manufactured. ...Read more
I am diagnosed with low TSH and normal T3 and T4 level...What does it mean?Please suggest me treatment...
T3 and T4: A low TSH should not affect your thyroid glands! If you are having a problem please see an Endocrinologist. Should not be necessary. ...Read more
Can Lamotrigine (Lamictal) affect TSH levels?
Also, what do low TSH mean (if T3 (liothyronine) and T4 are normal)?
Not alot: Thyroid interaction is not common with Lamictal, however as with all medications for each individual that can be a possibility. As to your low TSH that is usually a resonse to elevated T3, (liothyronine) T4. Remember that there can be variations in your thyroid measurements from one time to another. How do you feel. Do you have thyoid symptoms: cold, tired, fatigued, skin or nail changes? ...Read more
With low TSH levels hyperthyroid is off the table right? What other issues, full normal blood panel, could cause a major weight loss?
Low tsh?: Normal TSH values fall within a range. If the TSH is low, or in other words, below the lower limit of normal, it may suggest your thyroid is overactive. When your body produces too much thyroid hormone, the brain tries to compensate by making less tsh, and therefore the levels show up low. ...Read moreSee 1 more doctor answer
Can taking too much Synthroid (thyroxine) plus cytomel, therefore having a very low TSH level, cause seizures?
Possible: Both high and low thyroid states can be associated with seizures. Seizures can be seen in 5-10% of high thyroid states and even more commonly when it is due to an overdose with medication. If you are experiencing this, go to the nearest er as this condition is life-threatening and needs immediate attention. Your doctors will also search for other conditions that may be causing seizures. ...Read more
Hyperthyroidism and weight gain, can a low TSH level cause weight gain? And how would menopause effect TSH level?
No: Rarely hyperthyroidism manifested by a low TSH and elevated thyroid hormones can cause increased hunger leading to weight gain. Most hyperthyroids lose (muscle) weight. Menopause has no effect on TSH levels, but as we age hypothyroidism with increased TSH becomes more likely. 20% of women on medicare have elevated TSH and have frank or subclinical hypothyroidism. ...Read more
I had a total thyroidectomy due to cancer. my lab shows low tsh but t4 and t3 (liothyronine) levels are normal indicating correct dosage why would my tsh be low?
Could a low TSH (.28) & normal T3 (liothyronine) & T4 levels mean a Pituitary issue? Or is that more typical of hypothyroidism? Would high Chloride (111) effect it?
Means pituitary is: A TSH of 0.28 with normal free T4 and free T3 (liothyronine) likely means the pituitary is working properly. A TSH of 0.1-0.4 is lower than the reference range, which means about 2.5% of normal people have a TSH or 0.1-0.4. Thus, one hopes she is normal. Her endocrinologist can follow and recheck her levels in 4-6 weeks to confirm that her levels are stable (TSH not dropping lower; T4 or T3 (liothyronine) not above normal). ...Read moreSee 1 more doctor answer
Hair loss for 18 months in crown area, first due to stress, then perhaps due to very low TSH as a result of Thyroxine dose increase. Iron levels fine. Hair is now finer / softer and continues to shed - will my hair ever go back to how it was ?
Wrong assumptions: Iron level not relevant. "Stress" probably not a factor. Very low TSH because of overdosed thyroid probably not part of it. Thin hair on top is very common as women get older. Other meds? Birth control? Menstrual history? Pregnancies? Weight change? When you see a dermatologist be prepared to detail these items. You might be helped by spironolactone or dutasteride. ...Read more
Could a pituitary tumor cause temporary one sided facial drooping without paralysis? Low TSH (normal T3 (liothyronine) & T4) Low ACTH. Waiting on more test results.
Facial nerve: Any structure that affects the facial nerve along its course from the brain can cause a droop. Pituitary tumor can cause droop in eye, visual changes etc. Its anatomical and the facial nerve has several branches,temporal, zygomatic, buccal,maxillary and mandibular.Good luck. Stroke, Hemifacial spasm and bells palsy other alternative possibilities. ...Read moreSee 1 more doctor answer
Low TSH unlikely: Thyroid cancer usually does not cause a low TSH (unless you are taking thyroid hormone). Most thyroid cancers do not function as well as normal thyroid tissue. Elevated thyroglobulin is a nonspecific finding, seen in most disorders of the thyroid. It can serve as a tumor marker for recurrent thyroid cancer as long as the thyroid has been completely removed. High tg has nothing to do with tsh. ...Read more
Thyroid labs: Hi. See an endocrinologist. Make sure it's a free T4 (not a TOTAL T4). If you have low TSH and a low free T4, that's compatible with pituitary disease causing hypothyroidism (so called "secondary hypothyroidism"). IF you have that (not saying you do), you need to be checked for pituitary problems and other pituitary deficiencies (adrenal, most promptly); If u have secondary hypothy, CHECK ADRENALS ...Read more
Stress can increase tsh, but how high cortisol causes low TSH where as stress causes high cortisol production.?
Cortisol: This is a very complex system. In very basic terms cortisol is produced in response to stress and feeds back inhibiting production of itself (inhibiting crh and acth). Cortisol also inhibits TSH production (as well as growth hormone, estrogen, testosterone and lh production). Thus limiting the response to stress. It is though in chronic stress this feedback mechanism breaks down. ...Read more
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