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Doctor insights on: Blocadren

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Dr. Eric Weisman
29 doctors shared insights

Blocadren (Overview)

Blocadren is a beta blocker which is a kind of rhythm control drug (cardiovascular drug).


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How are the adrenal glands which secrete testosterone hormones blocked?

How are the adrenal glands which secrete testosterone hormones blocked?

With medication.: The adrenal glands produce androgenic hormones that can be blocked with medication. Aminoglutethimide, ketoconazole, abiraterone & tak-700 (orteronel) are examples, blocking the synthesis of steroid compounds in the glands. Other essential hormones that are blocked may need to be replaced. Surgical removal of both glands would also eliminate adrenal androgens, but it is not done for this purpose. ...Read more

Dr. Eric Weisman
29 doctors shared insights

Blocadren (Overview)

Blocadren is a beta blocker which is a kind of rhythm control drug (cardiovascular drug).


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What are the side effects of timolol drops?

What are the side effects of timolol drops?

Minor: You may experience may experience a burning and stinging sensation immediately after the medication is administered. You may experience momentary blurred or double vision after administering the drops. Some people will notice depression or mood changes, dizziness, drowsiness, a slow or irregular heartbeat or breathing difficulties. ...Read more

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What pituitary hormones cause the adrenal gland to produce mineralocorticoids, glucocorticoids, and androgens and estrogens including pregnenolone?

What pituitary hormones cause the adrenal gland to produce mineralocorticoids, glucocorticoids, and androgens and estrogens including pregnenolone?

Pituitary & steroids: Hi. Pituitary ACTH regulates adrenal cortisol production; it also acutely stimulates aldosterone, but is not the principle regulator. LH principally stimulates gonadal steroid hormone production (both genders make androgens & estrogens, but in opposite dominance). Pregnenolone is early in the steroidogenic pathway in both adrenals and gonads. Good luck! ...Read more

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Why does acetylcholine, an inhibitory neurotransmitter, cause the adrenal glands to release stimulatory hormones?

Why does acetylcholine, an inhibitory neurotransmitter, cause the adrenal glands to release stimulatory hormones?

Not correct: Hi. Acetyl choline (ACh) is not an inhibitory neurotransmitter. The sympathetic nervous system uses ACh as the neurotransmitter in the sympathetic ganglia (the 1st synapse outside the CNS). Usually that's from one neuron to another, but in the adrenal medulla, the cells are really the second neuron, but they release their contents (catecholamines) into the blood, not onto an organ (like the heart) ...Read more

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Does acth causes both aldosterone and cortisol secretion?

Does acth causes both aldosterone and cortisol secretion?

ACTH ALDO Cortisol: I have seen two families in which ACTH is the major driver for aldo production. They have the syndrome called GRA (Glucocorticoid Remedial Aldosteronism) caused by a cross over mutation in the genes controlling aldo production so that the major controller of aldo is ACTH. As you are young and making this question if you also have HTN your team should consider this. Many do not have low K. ...Read more

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Adrenal fatigue, hypoadrenia, adrenal glands. Can i rebuild my adrenals?

Adrenal fatigue, hypoadrenia, adrenal glands. Can i rebuild my adrenals?

Yes: Should there be loss of adrenocortical function, steroid replacement is advocated to rebuild the normal stamina. ...Read more

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Can sarcoidosis effect testosterone production (hypogonad disease)?

Can sarcoidosis effect testosterone production (hypogonad disease)?

Yes.: Hypogonadism appears to be common among males who have sarcoidosis. In a 2007 belgian study, male patients with sarcoidosis had significantly lower median circulating levels of testosterone than healthy age matched controls. The mechanism is thought to be due to testicular dysfunction or disruption of the hormone signals from the pituitary or hypothalamus. ...Read more

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Why thyrotropin used cautiously in adrenocortical insufficiency?

Why thyrotropin used cautiously in adrenocortical insufficiency?

Schmidt's: If a person is discovered to be severely hypothyroid, it is dangerous to treat it aggressively until it's been determined that adrenal insufficiency (as in schmidt's) is not also present. The jump-start that the body gets when the thyroid replacement kicks in can kill the person if there's not enough adrenal cortisol . If i've misunderstood your question, please forgive me. ...Read more

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How do the adrenal glands which secrete testosterone hormones get blocked?

How do the adrenal glands which secrete testosterone hormones get blocked?

Male or female?: The zona reticularis of the adrenal glands do secrete sex hormones, but not testosterone (t). T is produced in the testicles. The adrenal gland function can be lowered by excessive/prolonged stress, severe illness, or infection. ...Read more

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What gland produces oxytocin, vasopressin adh?

What gland produces oxytocin, vasopressin adh?

The pituitary gland.: These hormones are chemically very similar, yet functionally distinct. ...Read more

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I used gfs (timolol) in the usa. In 2009, I moved to mumbai. The doctor has tried many eye drops including Xalatan (latanoprost) but iop stays at 19-20. ?

I used gfs (timolol) in the usa.  In 2009, I moved to mumbai.  The doctor has tried many eye drops including  Xalatan (latanoprost) but iop stays at 19-20. 
 ?

Ideal IOP: Eyedrops to lower the pressure depend upon the target pressure. If you are visually stable (no changes in vision and field) at a pressure of 19-20, then you are ok. But if you are losing vision and no more agents are available, you might need laser or operative surgery. Timolol should be available in india. ...Read more

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Pregnenolone and aromatase blocker uses?

Pregnenolone and aromatase blocker uses?

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

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Does prolactinoma condition inhibit oxytocin production?

Does prolactinoma condition inhibit oxytocin production?

Usually does not: Prolactinoma from a pituitary tumor affects the anterior pituitary. The posterior pituitary is usually not affected-this is where the cells for oxytocin reside. The excess prolactin secretion does not usually impact the oxytocin production. ...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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Is dorzolamide/timolol safe for women who are pregnant or breastfeeding?

Is dorzolamide/timolol safe for women who are pregnant or breastfeeding?

Not safe: It is category c meaning that animal studies have shown adverse effects on fetuses, but no human studies have been done. Even less is known about it's effect on lactation. Avoid it during pregnancy and breast-feeding if possible. ...Read more

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Does spironolactone block testosterone?

Does spironolactone block testosterone?

Not really: Spironolactone is an old, commonly used (but not really effective) diuretic that has an interesting side effect: its chemical structure is similar enough to block testosterone receptors in the face and scalp, and helps to decrease acne, oily skin, and facial hair growth. ...Read more

Dr. Michael Naidoff
96 doctors shared insights

Timolol (Definition)

Timolol is a beta blocker which is a kind of rhythm ...Read more