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Doctor insights on: Bronchoconstriction Asthma Copd

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How come breathing in during inspiration is not affected by bronchoconstriction (asthma/copd)?

How come breathing in during inspiration is not affected by bronchoconstriction (asthma/copd)?

Negative pressure: When you breathe in, your chest wall and diaphragm expand and create decreased pressure in your lungs. Because the bronchoconstriction is also inside your lungs, the negative pressure causes the airway to expand as well, and air flows in easily. When you breathe out, the chest wall and diaphragm relax, and pressure in the lungs increases. This snaps the airways closed again, like a valve. ...Read more

Dr. Shari Jackson
1 doctor shared a insight

Copd (Definition)

COPD may include chronic bronchitis, emphysema, or both. Chronic bronchitis is the production of increased mucus caused by inflammation. Bronchitis is considered chronic if you cough and produce excess mucus most days for three months in a year, two years in a row. Emphysema is a disease that damages the air sacs and/or the smallest breathing tubes in the lungs. ...Read more


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Why is breathing in during inspiration not affected by bronchoconstriction (asthma/copd)? I need some advice.

Why is breathing in during inspiration not affected by bronchoconstriction (asthma/copd)? I need some advice.

Bronchoconstriction: Lung disease is defined as either restricted or obstructed. Bronchoconstriction is, by definition, an obstructed condition. Obstructed diseases limit the ability to exhale air out of the lungs. Asthma and COPD are examples of diseases that lead to airway obstruction, where exhalation is affected, not inhalation. ...Read more

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Bronchoconstriction (asthma/copd) affects breathing out during expiration, but not breathing in during inspiration, how come?

Bronchoconstriction (asthma/copd) affects breathing out during expiration, but not breathing in during inspiration, how come?

Dynamic collapse: This is a fancy term of when airway pressure is more on the outside of your airways and collapses as you exhale. This pressure difference happens at different stages of exhalation in copd.
With asthma there is narrowing of your airways from inflammation so this constricts the diameter and makes this worse. All due to airway pressure and "equal pressure point". Hope this helps! ...Read more

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I have bronchoconstriction (asthma/copd) affects breathing out during expiration, but not breathing in during inspiration. Why, what to do?

Typical symptoms: This is a common symptom for those with airway obstruction be it from asthma or copd. You need to get an assessment to determine what kind of medications may relieve your symptoms. Inhaled steroid, inhaled bronchodilator, and inhaled anticholinergic are the most common drugs used in your condition. Most of these drugs need to be used regularly. ...Read more

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Why is breathing in during inspiration not affected by bronchoconstriction (asthma or copd)?

Why is breathing in during inspiration not affected by bronchoconstriction (asthma or copd)?

Pressure.: Long story...essentially, the pressure pushing upon the airways with expiration causes the airways to close upon themselves, causing air trapping which is one of the hallmarks of COPD and the other obstructive lung diseases. ...Read more

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Is spriva good for asthma or its for copd only?

Is spriva good for asthma or its for copd only?

Probable: There are studies showing that Spiriva provides as much bronchodilation as beta agonist (albuterol etc). In selected cases, inhaled steroid, long-acting bronchodilator, and antimuscarinic (Spiriva) are required to control asthma. This same combination are also used on COPD although inhaled steroid may not be needed for a high % of COPD patients. ...Read more

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Is ther any rol of montilukast in COPD other than asthma/?

Is ther any rol of montilukast in COPD other than asthma/?

NO: Singulair (montelukast) in indicated for asthma prophylaxis and chronic treatment, for seasonal and perennial allergic rhinitis, for prevention of exercise-induced bronchoconstriction. There is no indication to use in COPD — different mechanism of the disease. If you have allergic rhinitis which worsen your COPD symptoms — probably it could be beneficial. ...Read more

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Could allergy induced asthma turn in copd?

Could allergy induced asthma turn in copd?

Yes.: Uncontrolled persistent asthma causes airway remodeling that can slowly progress to emphysema (quicker in smokers and people with severe reflux). Treatment of underlying conditions can deter that from happening. ...Read more

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What is the best climate for copd, asthma bronkitis, any repiratory disease?

What is the best climate for copd, asthma bronkitis, any repiratory disease?

Smoke free: The best bet is to avoid exposure to cigarette smoke & high levels of ambient air pollution. There is no one size fits all answer for this — it depends on each patient's clinical profile and individual characteristics. ...Read more

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If you have asthma, copd, bronchospasm can benzos aggravate the condition?

If you have asthma, copd, bronchospasm can benzos aggravate the condition?

No, but don't help: Benzos won't exacerbate the underlying medical condition, but because they tend to cause suppression of the respiratory center in the brain, they can make it harder for your body to respond optimally to its internal compensatory mechanisms as well as to medications. ...Read more

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Is fev1 of 74% acceptable for a 64-year-old male? Could be a sign of asthma or copd?

Is fev1 of 74% acceptable for a 64-year-old male? Could be a sign of asthma or copd?

FEV1 and COPD: 74% is low. Normal is at least 80%. This could indicate asthma or COPD depending on your history and symptoms. Go see the doctor who ordered your test. ...Read more

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What are the possible causes of breathlessness in a non-smoker if asthma and COPD ruled out?

What are the possible causes of breathlessness in a non-smoker if asthma and COPD ruled out?

Breathless: If your handle means you are 53yo think about your heart or how in shape you are; if breathlessness continues see your doctor. ...Read more

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I was told that I have either borderline asthma, asthma undiagnosed as a child or mild copd. I have no symptoms. Why no straight answer?

I was told that I have either borderline asthma, asthma undiagnosed as a child or mild copd. I have no symptoms. Why no straight answer?

Need second opinion: I am assuming because you have no symptoms that the finding leading to this statement is wheezing heard when listening to your breathing. Referral to a pulmonologist will clarify your situation. You could have had a mild bronchial infection or you may be a smoker. ...Read more

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Does asthma turn into copd? If not, are they related? I don't smoke, had asthma since birth. Can I prevent longterm worsening of asthma somehow?

Does asthma turn into copd? If not, are they related? I don't smoke, had asthma since birth. Can I prevent longterm worsening of asthma somehow?

Yes: Asthma is leading chronic childhood disease affecting approximately 10 percent of the population nationally, chronic obstructive pulmonary disease (COPD) is leading chronic adult disease and third leading cause of death and second leading cause of disability. Some patients with both asthma and copd. Direct correlation is between severity of asthma and copd. Severe asthma 32x more likely get copd. ...Read more

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What's the differance in bronchiectasis vs asthma COPD emphasima. What there similarities between the other disease's. I can't stop coughing at night?

What's the differance in bronchiectasis vs asthma COPD emphasima. What there similarities between the other disease's. I can't stop coughing at night?

Complicated: Bronchiectasis is due to chronic infection damaging the ends of bronchioles and creating a haven for chronic infection. Asthma is due to reactive airway disease making it difficult to get air out. COPD is a complex process and can involve emphysema and brochiectasis. See your doctor to figure out why you are coughing. Without more info cannot diagnose this. ...Read more

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How do asthma and COPD differ?

How do asthma and COPD differ?

Asthma and COPD: Often the terms are used synonymously and there is clinical overlap. Nonetheless, asthma is considered reversible with treatment and COPD is not. Talk to your doctor about your situation. ...Read more

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How does asthma differ from COPD?

How does asthma differ from COPD?

Asthma vs COPD : There is significant overlap. COPD is usually less reversible and caused by scarring due to smoking in most cases, where asthma is often allergic in cause. New evidence suggests maybe the smokers who get COPD where people with mild undiagnosed asthma, and some asthma patients don't reverse well at all! Some patients carry a dual diagnosis, and the medications used are often the same. Good Question ...Read more

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What are the main differences between COPD and asthma?

What are the main differences between COPD and asthma?

COPD is in smokers: Both conditions represent chronic lung diseases. You are unlikely to get COPD if you never smoke cigarettes. Asthma is more likely to be genetic and run in families. Many people that suffer from allergies suffer from asthma as well. COPD flare-ups tend to be sporadic and require inhalers, steroids, and antibiotics. Asthma tends to require regular use of controller medication. ...Read more

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Could asthma or COPD cause seminal vesaculitis?

Highly unlikely: However, check with your doc about your disease. There may be other reasons. ...Read more

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Could I have mild asthma and COPD at the same time?

Could I have mild asthma and COPD at the same time?

Absolutely: Asthma and COPD are technically two separate processes, though more research is showing similarities between the two. Both conditions are considered "obstructive" processes; that is, they obstruct air flow from the lungs out into the environment. Asthma typically affects the smaller airways, while COPD mostly affects the alveoli -- tiny air sacs at the very end of our airways. ...Read more

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Besides COPD and asthma, what can you need an inhaler for?

Besides COPD and asthma, what can you need an inhaler for?

Many Problems: COPD and Asthma are certainly the most common causes of a need for an inhaler, but there are other causes as well. Some might be exercise induced bronchospasm, acute illness like bronchitis or asthma (if it helps with symptoms), Chronic Bronchitis, Chronic Cough, or Chronic Eosinophilic Bronchitis. Sometimes inhalers are used at the doctor's discretion. ...Read more

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What can you need an inhaler for (aside from COPD and asthma)?

What can you need an inhaler for (aside from COPD and asthma)?

CF meds: There are many types of medications that may be delivered in inhaled form. Cystic Fibrosis patients also receive medications such as antibiotics and a medication to thin mucus in the inhaled form. ...Read more

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How can doctors distinguish between a diagnosis of COPD and asthma?

How can doctors distinguish between a diagnosis of COPD and asthma?

Breathing Tests: COPD and asthma both present with airway obstruction however timing of presentation is helpful to determine cause. Asthma usually presents in childhood but can present in adults, however COPD usually presents only in adults over the age of 40 who are current or former smokers. Spirometry or Pulmonary Function Testing can differentiate between these two conditions. See an Allergist or Pulmonologist ...Read more

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What is the risk of measles for someone with chronic asthma or copd?

What is the risk of measles for someone with chronic asthma or copd?

Yes: Having chronic lung disease, doesn't protect one from measles, nor does it increase the risk. It doesn't increase the risk of severe disease from measles. ...Read more

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What to do if I have asthma COPD anyone have ideas to help control of it?

What to do if I have asthma COPD anyone have ideas to help control of it?

A few things: First- quit smoking if you do!!. I can't emphasize this enough. Secondly, get tested to confirm you have both conditions. Thirdly- get treated. Controller inhalers and rescue inhalers are the mainstay for asthma and is some cases COPD as well. Try to stay away from "triggers" that cause asthma attacks or COPD exacerbations if you can. Good Luck ...Read more

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Can air trapping be caused by asthma or is it always associated with smoking/copd??

Can air trapping be caused by asthma or is it always associated with smoking/copd??

Air trapping: Can be caused by any obstructive lung disease including asthma, it is simply inability to fully exhale, disappears with good asthma control, ...Read more

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What is Air Trapping? Is it always related to Asthma/COPD, or can it be harmless/anxiety related?

Air trapping.: Air trapping is found in people with COPD wherein they chronically breathe in more air than they release, expanding the lungs and making breathing inefficient. Air swallowing happens with anxiety. ...Read more

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Currently on advair 250/50 for asthma and early stages of copd. Ins. No longer covers advair. Good alternatives?

Single agent: That is the problem when the new system tells us how to practice medicine. Anyway, ask your doctor for inhaled steroid alone first and not the combination along with the rescue bronchodilator and try to justify the combination later. ...Read more

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Diagnosed 10yr ago with asthma, COPD and sarcoid. All recent test results now say only sarcoid. Can asthma and COPD disappear?

Diagnosed 10yr ago with asthma, COPD and sarcoid. All recent test results now say only sarcoid. Can asthma and COPD disappear?

Yes: Asthma oftne disappears. 'Copd' is a measurement on spirometry, not a real disease; patients with asthma will test as having 'copd' much of the time. Now please forgive me. You're smoking up to two packs a day. This is a terrible idea if you have a history of asthma / 'copd' and bad even if you don't or only have sarcoid. Please talk with your physician about smoking cessation. Thanks. ...Read more

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Does albuterol cure asthma or COPD it only suppress the symptoms?

Does albuterol cure asthma or COPD it only suppress the symptoms?

No cures for either: The conditions you mention are managed with the aid of medication, not cured. Once you have them, they are present to some degree indefinitely. ...Read more

Dr. Sue Ferranti
3,026 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. Lois Freisleben-Cook
12 doctors shared insights

Bronchoconstriction (Definition)

Bronchconstriction is the constriction of the airways in the lungsdue to the tightening of the surrounding smooth muscle which causes cough, wheezing ...Read more


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