Doctor insights on:
Low Levels Of Thyroid Stimulating Hormone
A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more
Thyroid: Cant tell without total thyroid hormone levels. Tsh being low usually implies hyperthyroid ism which may be sub-clinical or asymptomatic. It can cause fast heart rate, skipped beats, shakiness, tremor, weight loss, anxiety, mood swings, irregular menses, sweating, heat intolerance. ...Read more
High follicle-stimulating hormone (fsh) and luteinizing hormone (lh)--what are normal levels at ovulation?
Can this be hypopituitairism: high cortisol, highish prolactin, low HGH, lowish TSH, low LH and FSH in luteal phase, (lowish in follicular), low ADH (vasopressin)?
Pituitary: It is difficult to diagnose hypopituitarism vased on labs you provided. High cortisol goes against hypopituitarism. High prolactin can lower FSH and LH.. TSH normal range is 0.3-4.. If pituitary dysfunction is suspected , we check Free T4, not TSH.. I hope this answers your question ...Read more
Yes: Glandulars have been a traditional source of these hormones, but there absorption is not realiable. Check with your doctor or check out acam which is an organization that has investigated and held standards on hormone supplementation. They even have a physician referral on there website. ...Read moreSee 1 more doctor answer
Not good: The exact answer depends on your general health, what other medical problems you current have, your age and the levels of the thyroid hormone ft4 and ft3. The cause of the low TSH is also important. In general, low TSH signifies hyperthyroidism. Hyperthyroidism is more dangerous than hypothyroidism. Death can occur with hyperthyroidism. ...Read more
No: Your pituitary controls a number of hormones including thyroid, growth, testosterone & estradiol, among others. While growth hormone deficiency won't "lower" testosterone, pituitary damage leading to growth hormone deficiency can also lead to hypogonadism or low testosterone. It's also common to have a defect in just one hormone rather than all. Traumatic brain injury is not a major concern. ...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?
Hormone regulation: Simple answer: not really, but it depends on what else is going on. Cortisol and testosterone are regulated by ACTH and LH, both from the pituitary. A pituitary disorder could affect one or both. Both C and T are higher in the AM. C increases with stress. Stress can affect sexual performance, cause fatigue, etc, but not usually through lowering T. What's your "real" question? ...Read more
Pituitary Tumor: The diagnosis of a pituitary tumor is more complex than thyroid levels. I encourage you to talk to a person specializing in endocrine function. To answer the question: thyroid levels can be high with a tumor secreting thyroid stimulating hormone (tsh), normal with a smaller (~1-3cm) nontsh secreting tumor, or usually low with a larger (>2.5cm) nontsh secreting tumor. ...Read moreSee 1 more doctor answer
Varies: Prolactin is elevated naturally in pregnancy and breastfeeding; if neither apply to you and it is markedly elevated, it may be a prolactinoma. See your doctor for further evaluation. Cortisol elevation can be anything that stresses your body. There are disease states with excessive cortisol production, but these are less likely. Again, discuss with your doctor. ...Read more
Fsh level 7.5, LH level 11, progesterone level 2.5, and thyroid level 1.8. Are all these normal? 16th day of cycle. Irregular periods.
Sounds like PCOS: These levels show you have not ovulated by day 16 due to the lower progesterone. Typically throughout the month the fsh is higher than the lh. The lh goes up just before ovulation to trigger the release of the egg. This is what on ovulation predictor kit is checking for. You could be seeing the lh surge just before ovulation which could happen as late as day 20, or it could be high b/c of pcos. ...Read more
Could be: Could be a sign of congenital adrenal hyperplasia with one of several enzyme defects. This is rare. Depends on who's ordering the test. If endocrinology, this is the reason. Adrenal fatigue is a popular diagnosis now but really represents metabolic stress and is a reaction of the system to stress. The answer is not to address the symptom of the stress but to address the stress itself. ...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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- What is a thyroid stimulating hormone?
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- Growth hormone and thyroid stimulating hormone
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- Thyroid stimulating hormone
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