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Doctor insights on: Brethaire Asthma Beta Receptor Stimulator

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Is stanozolol a beta receptor antagonist?

Is stanozolol a beta receptor antagonist?

Stanozolol: Stanozolol is a synthetic anabolic steroid derived from testosterone. It is banned from use in athletes but has a role in some medical conditions. Please look up stanozolol in Wikipedia on the internet. ...Read more

Receptor (Definition)

An organ, cell or molecule that accepts an outside signal and causes an internal change. Eyes receive light, touch receptors send messages to the brain when stimulated by pressure and estrogen receptors bind Estradiol causing responses of normal breast, ovary and uterus cells to rising and falling levels of the female steroid hormones. Most of the time "receptor" refers to one ...Read more


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Is beta blocker compatible with hyperbaric oxygen treatment?

Is beta blocker compatible with hyperbaric oxygen treatment?

Hyperbaric medicine: There are no direct contraindications to the use of beta blockers and the receipt of hyperbaric treatments. ...Read more

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Do any beta blockers act on Central Nervous System? Labetalol, Propranalol? What about Alpha-1 blockers?

Do any beta blockers act on Central Nervous System?  Labetalol, Propranalol? What about Alpha-1 blockers?

Yes, most of them: Beta blockers are either water soluble or lipid soluble. The latter cross the blood-brain barrier and act on the CNS (central nervous system). Atenelol and Naldolol are 2 water soluble ones that do not readily cross into the brain. Alpha blockers generally do act on the CNS, and the 2 most common side effects are hypotension and dizziness. ...Read more

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Mother aged 80 patient copd. Ventilator once. Inhaler asthalin, neubulising asthaline and budecort. Deriphyllyne, prbpm90-100, spo2p. Advice?

Mother aged 80 patient copd. Ventilator once. Inhaler asthalin, neubulising asthaline and budecort. Deriphyllyne, prbpm90-100, spo2p. Advice?

Difficult situation: COPD at advanced age is difficult. You are probably looking at longterm oxygen which has been showing to decrease mortality in the disease. Make sure your mother's medications are maximized. Also consider physical therapy or pulmonary rehab to help her physically deal with her illness. ...Read more

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Is Cardura (doxazosin) a reasonable second BP drug with Lisinopril when CCBs, diuretics, beta blockers are not well tolerated? Also on B-agonists for asthma.

Is Cardura (doxazosin) a reasonable second BP drug with Lisinopril when CCBs, diuretics, beta blockers are not well tolerated?  Also on B-agonists for asthma.

Yes, it is an option: Cardura (doxazosin) or another alpha blocker type drug is an option when the other classes of drugs mentioned are not well tolerated. Alpha blockers can cause dizziness so they are best taken at night to minimize this effect. The dose needs to be increased slowly. Make sure you are exercising and minimizing salt, alcohol and caffeine as well. ...Read more

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Asthma. Meds serevent (salmeterol) and Pulmicort helpful?

Asthma. Meds serevent (salmeterol) and Pulmicort helpful?

The combination help: Pulmicort is an inhaled steroid that reduces inflammation in the lung. Serevent (salmeterol) is a long acting bronchodilator that when used with an inhaled steroid, can help the effectivess of the inhaled steroid. Serevent (salmeterol) used without the inhaled steroid can over 1-2 weeks or more can make asthma worse. Serevent (salmeterol) with asthma should only be used with an inhaled steroid. ...Read more

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DoesPrazosin/other alpha blocks act on non-vascular smooth muscle e.g. the throat?If sudafed is alpha stim and contricts nasal,wouldnt it make sense?

DoesPrazosin/other alpha blocks act on non-vascular smooth muscle e.g. the throat?If sudafed is alpha stim and contricts nasal,wouldnt it make sense?

Good question: Alphablockers used to treat hypertension seem to be specific for their action on arteriolar musculature as far as I can tell clinically. Sudafed constricts smooth muscle in vessel walls, but can stimulate smooth muscle in the lower urinary tract and cause urinary retention at times. A pharmacologist would be best qualified to answer your question however. ...Read more

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83 yrs f; stable diastolic hf; rate controlled a-fib. Meds: cardizem, coumadin, (warfarin) lasix, inderal, spiriva (mild copd). Would a cardioselective betablocker be better than inderal ?

83 yrs f; stable diastolic hf; rate controlled a-fib.  Meds: cardizem, coumadin, (warfarin) lasix, inderal, spiriva (mild copd).  Would a cardioselective betablocker be better than inderal ?

Theoretically yes: In patients with COPD or asthma , cardioselective beta blockers like atenolol are felt to be superior to Inderal (propranolol) which also has possible harmful effects on the bronchial tree and could produce wheezing(bronchospasm). This may be a concern in someone like you who has copd. Your physician is best to advise you, however especially if you're doing well on inderal (propranolol). ...Read more

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Hx: asthma, pts = sm airway, asmanex x1 qhs. New prescription mn txs unit dose albuterol q4 prn. Used 13 of 25 doses in 40 days. Is this reasonable frequency?

Hx: asthma, pts = sm airway, asmanex x1 qhs. New prescription mn txs unit dose albuterol q4 prn.  Used 13 of 25 doses in 40 days. Is this reasonable frequency?

No: You should not be using a rescue inhaler as frequently as you are describing. It would appear that you are constantly being exposed to your "trigger(s)" and your controller is not working effectively. Have your physician reevaluate your controller treatment. ...Read more

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Only noradrenergic antidepressant works for me, does inderal (propranolol) acts negative on noradrenergic effects of antidepressant ?At vasomotor centers.Regards.

Only noradrenergic antidepressant works for me, does inderal (propranolol) acts negative on noradrenergic effects of antidepressant ?At vasomotor centers.Regards.

Venlafaxine: It's not the vasomotor centers that are important in antidepressant response; it's the neuron synapses in the brain. Effexor (venlafaxine) inhibits reuptake of both serotonin and ne. Inderal can suppress some of the physical symptoms of anxiety (rapid heart rate, sweaty palms, tremulousness, etc). Some on chronic (not intermittent or "prn") Inderal have had more depression. Not everyone. You should be okay. ...Read more

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Do beta blockers like nadolol really lessen the effects of the albuterol for asthma patients?

Do beta blockers like nadolol really lessen the effects of the albuterol for asthma patients?

Yes, to some extent.: Non-selective beta blockers can worsen or help cause an attack. Selective b-blockers are less likely. Those with so caslled, isa effect are less likely. ...Read more

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Azd 6244- mek inhibitor- a selective mitogen-activated protein kinase (mek) inhibitor. Mk 2206- akt inhibitor. Why prescription for me? It ? Nsclc/mets

Azd 6244- mek inhibitor- a selective mitogen-activated protein kinase (mek) inhibitor.    Mk 2206-  akt inhibitor.  Why  prescription for me? It ? Nsclc/mets

Molecular targeting: These agents are designed to selectively knock out key pathways your tumor may use to grow. Presumably you already had your tumor tested for these different mutations. Ask the doctor offering these options to explain their rationale. These are investigational studies and many of the treatment costs may be covered-ask. ...Read more

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Beta blocker with diuretic (timolide 10/25)--whats the use?

Beta blocker with diuretic (timolide 10/25)--whats the use?

Modestly: Most beta-blocker and diuretic combinations we're formulated for use in mild hypertension. ...Read more

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Why might epinephrine cause cardiac standstill in a patient on non-selective beta blockers?

Why might epinephrine cause cardiac standstill in a patient on non-selective beta blockers?

Theory: If you assume epi is alpha-beta stimulator and nonselective beta blocker blocks both types of beta, then pure alpha stimulation without beta stimulation to support it could theoretically cause the heart to crash. Not sure there is clinical evidence to support this however. ...Read more

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Resistant pulmonary htn due to sjogrens. Norvasc (amlodipine) works but isosorbide unpredictable. Beta blocker worsens. Arb acs contraindicated ckd high K. Advice?

Resistant pulmonary htn due to sjogrens. Norvasc (amlodipine) works but isosorbide unpredictable. Beta blocker worsens. Arb acs contraindicated ckd high K. Advice?

Pulmonary HTN: There are a range of molecules available by prescription that address P HTN ;go see a cardiologist or pulmonologist that has an interest in treating this condition ...Read more

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How to improve hypertension while using beta agonist medications to control asthma?

How to improve hypertension while using  beta agonist  medications to control asthma?

Other BP meds: There are many alternative families of BP meds that can be used in asthmatic patients. Even if one has a medical condition where a beta blocker is the best choice, there are some of that family that affect asthma less than others. Discuss options with fp/allergist/ pulmonologist/internist. ...Read more

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Dr. Sue Ferranti
3,024 doctors shared insights

Asthma (Definition)

A disease of the lungs caused by chronic inflammation of the airways most often caused by allergies. This inflammation results in airway swelling and hyperactivity leading to difficulty breathing, shortness of ...Read more


Dr. Chad Levitt
30 doctors shared insights

Brethaire (Definition)

Brethaire is an asthma beta receptor stimulator which is a kind of ...Read more