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Doctor insights on: Testosterone

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Dr. Alvin Lin
1,760 doctors shared insights

Testosterone (Overview)

Testosterone is a hormone/androgen which is a kind of nutritional or metabolic agent.


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Would propecia (finasteride) raise testosterone levels?

Would propecia (finasteride)   raise testosterone levels?

Propicia: Short term your total testosterone can rise but in general the testosterone levels stay nearly the same as they did prior to starting it. The Dht falls with Finasteride by blocking the enzyme that changes t to dht. ...Read more

Dr. Alvin Lin
1,760 doctors shared insights

Testosterone (Overview)

Testosterone is a hormone/androgen which is a kind of nutritional or metabolic agent.


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What secretes testosterone?

What secretes testosterone?

Specialized glands: Brain signals regulateleydig cells in the testes which secrete testosterone. In males, most of the testosterone is produced in the testes and a small amount is derived from the adrenal gland. In females, small amounts of testosterone are produced in the ovaries and derived from the adrenal gland. ...Read more

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Managing Low Testosterone (Checklist)

Have your testosterone checked each morning
Once
Discuss the risks and benefits of testosterone replacements with your doctor
Once
Take a testosterone replacement as instructed
Once
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Can axiron for low testosterone shrink testicles?

Can axiron for low testosterone shrink testicles?

Yes: Use of exogenous testosterone can, by way of a feedback mechanism, cause atrophy of the testicles and reduction in testicular function. ...Read more

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If you're female and have high testosterone levels what exactly happens to your body?

If you're female and have high testosterone levels what exactly happens to your body?

Androgen effects: Male-pattern hair growth (facial hair), acne and male-pattern hair loss. Also, unpredictable and irregular menses. Fertility problems. Insulin resistance (elevated blood sugars) and diabetes. Easy weight gain, and often women with this problem have a lot of trouble losing weight despite stringent efforts with diet and exercise. ...Read more

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Does testosterone replacement raise igf-1?

Does testosterone replacement raise igf-1?

No: It should not. They're different hormones, controlled by different influences. ...Read more

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Dr. Alvin Lin Dr. Lin
3 doctors agreed:
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Does growth hormone deficiency lower testosterone levels?

Dr. Alvin Lin Dr. Lin
3 doctors agreed:
Does growth hormone deficiency lower testosterone levels?

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

Dr. Jennie Law Dr. Law
12 doctors agreed:
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How to boost testosterone?

Dr. Jennie Law Dr. Law
12 doctors agreed:
How to boost testosterone?

If mild,: Consider these harmless lifestyle changes that can boost yor testosterone naturally: sleep hygiene to improve sleep quality and duration (even a few days of poor sleep can drop testosterone levels), lose weight, and optimize the treatment of any chronic disease you may have (uncontrolled illness can lower testosterone). ...Read more

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Could adrenal glandulars increase dhea and testosterone levels?

Could adrenal glandulars increase dhea and testosterone levels?

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 more

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If the doctor prescribe Testosterone Propionate for TRT shouldn't he check your testosterone levels to know if the dosage is too much or not?

Yes: Most doctors do check a blood level to find out if the dose is correct. The timing may differ. Usually 2-3 months after starting the medication or changing the dose. When it is stable, they may check the blood level every 6-12 months. ...Read more

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Any testoserone product better androgel or androderm (testosterone)?

Any testoserone product better androgel or androderm (testosterone)?

I like androgel: If you read the product inserts the best levels are with androgel. There are no head to head studies that are good. ...Read more

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If i start using a prescribed testosterone supplement will it cause my body to stop producing its own testosterone?

If i start using a prescribed testosterone supplement will it cause my body to stop producing  its own testosterone?

Yes: As with many biological systems, the end-product (testosterone) signals the system to make less of itself. This is known as negative feedback. With testosterone, the down-regulation of your own testosterone production may eventually recover after stopping use of supplemental testosterone. ...Read more

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Can testosterone injections effect thyroid levels?

Can testosterone injections effect thyroid levels?

Yes!: Increased testosterone decreases thyroid binding globulin, which then increases free t-4 and free t-3! ...Read more

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Is it safe to use testosterone tablets ?

Is it safe to use testosterone tablets  ?

Do not take any: form of testosterone by mouth. Lethal over the long term because it goes to the liver first! Lowers good cholesterol and will promote heart disease and liver issues! ...Read more

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Dr. Alvin Lin Dr. Lin
8 doctors agreed:
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Is DHT (dihydrotestosterone) related to testosterone level and other hormones?

Dr. Alvin Lin Dr. Lin
8 doctors agreed:
Is DHT (dihydrotestosterone) related to testosterone level and other hormones?

Yes: Testosterone is broken down into Dht & Estradiol (e2). Too much Dht is associated w/hair loss & prostate enlargement. Too much e2 is associated w/gynecomastia, eg nipple sensitivity and/or male breast development (moobs). Different medications can stop metabolism of t but can also upset balance (think of a seesaw). So if Dht goes down, e2 might go up. And vice versa. Talk to doc & monitor levels. ...Read more

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My son who is 15 accidentally used testosterone gel will he be ok?

Yes: Brief exposure to testosterone gel should not produce any long-term effects. Call your doctor if the person develops enlarged genitals, premature pubic hair, increased libido, or aggressive behavior. Be aware that occassionally testosterone may be used by atheletes to increase muscle mass and it is reported up to 2% of teenage boys have tried steroids for that reason. ...Read more

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Can growth hormone deficiency affect testosterone levels?

Likely: There are gh receptors, igf-1 and gh releasing hormone receptors on the leydig cells. Boys born gh deficient have micro penis often. Their testes don't respond normally to lh during gestation. Pubertal development is hampered by gh deficiency until replaced. Men with gh deficiency can have impaired fertility. Replacing gh increases seminal fluid. Not sure if testo levels change +/- gh in adults. ...Read more

Dr. Alvin Lin
845 doctors shared insights

Testoderm (Definition)

Testoderm is a hormone/androgen which is a kind of ...Read more


Dr. Alvin Lin
848 doctors shared insights

Androderm (Definition)

Androderm is a hormone/androgen which is a kind of ...Read more