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Specific & limited: Pregnenolone is an adrenal hormone made from cholesterol, and is the pre-cursor for sex-steroid hormones. It is said to 'improve mood, ' but no strong data support. To my knowledge there is no role for it's use as a supplement. Aromatase inhibitors are for treatment of some breast cancers; they're also used off-label for ovulation induction in women. No other appropriate uses to my knowledge. ...Read more
None: There are no testosterone "boosters", no matter what the internet and tv and your friends may tell you. The only way to "boost" your testosterone is through a healthy life style, proper nutrition, exercise, and avoidance of toxins like alcohol and tobacco. Save your money, and your health. Stay away from anabolics as well. ...Read more
Are these drugs used to reduce cardiac output: calcium channel blockers and beta (receptor) blockers?
Possibly: Selective estrogenic receptor modulators (serms) such as Clomiphene citrate or tamoxifen should increase lh (luteinizing hormone) and testosterone in men. Aromatase inhibitors (anastrazole) will also increase testosterone. The goal is to have testosterone to Estradiol ratio greater than 10. Certain clinical issues such as narcotic or obesity related low t are helped with these medications. ...Read more
Yes: There is a drug called Pegvisomant (somavert) that works by directly blocks the effects of growth hormone, and has been shown to improve symptoms of acromegaly. There are two other drugs that are less specific in binding but can also be used to treat acromegaly: bromocriptine and octreotide. These are highly specialized drugs that should be prescribed by a physician. ...Read moreSee 1 more doctor answer
Are beta blockers & calcium channel blockers truly contradicted in Wolff-Parkinson-White patients?
Unclear Question?: These are somewhat unrelated questions which makes it difficult for me to address your question. Evista (raloxifene) is not used for treating cancer...It is sued for treatment/prevention of osteoporosis. Estrogen receptors are specialised protein receptors found in breast cancer.Uterine cancer has little bearing on either of the two references you have listed. ...Read more
Tamoxifen is given to breast cancer patients to suppress estrogen or both estrogen & progesterone?
Estrogen: Tamoxifen is given to individuals with specific breast cancers that are driven to grow by the presence of estrogen receptors. Tamoxifen interferes with the activity of estrogen in the breast, preventing cancer growth. The role of Progesterone receptors is unclear, though Progesterone receptors in breast cancer are generally associated with estrogen receptors, making tamoxifen an effective therapy. ...Read moreSee 2 more doctor answers
20yr male 69' 140lb... can decreasing estrogen, increase testosterone and improve hair growth? (Estrogen Blockers)
Hair growth: There should be nothing to cause hair growth problems in a 20 year old man. Please see your doctor about that. Is there any evidence that your testosterone is low? Your body mass index (BMI) is at the very low end at 20.7. Are you dieting or exercising so much that you are not gaining weight? ...Read more
No: Nolvadex, a brand of tamoxifen, is a selective estrogen receptor modulator. As such, there are some small studies that suggest that it can actually increase testosterone production in med. Similarly, so can aromatase inhibitors which decrease conversion of t into e. Check out http://en.Wikipedia.Org/wiki/list_of_drugs_banned_from_the_olympics for a list of banned substances in competition & why. ...Read more
Her how it works: The g protein-coupled, seven-pass transmembrane molecule present in the parathyroid gland and kidney controls calcium homeostasis by releasing parathyroid hormone (pth). Manipulating calcium-sensing receptor (casr) using small-molecule allosteric modulators can affect PTH secretion. ...Read more
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