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Doctor insights on: What Is The Mechanism Involved In Pressurised Metered Dose Inhaler

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How do I use a metered-dose inhaler?

Inhaler: I would recommend to go to the manufacture's website and get a handout or watch a video if they have one to learn how to use the device. Sometimes devices have different ways of using them. Alternatively go to your pharmacist and they can go over how to use the device. ...Read more

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Dr. Shah Chowdhury
613 doctors shared insights

Inhaler (Definition)

It is a type of medication delivery system used to inhale aerosolized medications. The most well know of this is ...Read more


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Can I use one metered dose inhaler to administer fluticasone and albuterol, one at a time? Or should I get separate inhalers?

Can I use one metered dose inhaler to administer fluticasone and albuterol, one at a time? Or should I get separate inhalers?

Separate: Since each MDI device is customized to the unique product, I don't know any study showing that they can be interchanged. If you have lost one of them and it is an emergency, by all means go ahead. However ideally, one should not use a part devised for one device on another unless otherwise specified ( for example - Aerochambers) ...Read more

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Can you tell me if there are fast-acting inhalers that are safe for people with high blood pressure?

Can you tell me if there are fast-acting inhalers that are safe for people with high blood pressure?

Xopenex (levalbuterol): Xopenex (levalbuterol) is a type of inhaler which was designed to stimulate the heart less than with standard albuterol which can make the heart rate increase. ...Read more

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I'm taking dulera (formoterol and mometasone) as directed, .But i've been needing to take my albuteral inhaler daily and i been having mild pressure chest area need i go in?

I'm  taking dulera (formoterol and mometasone) as directed, .But i've been needing to take my albuteral inhaler daily and i been having mild pressure chest area need i go in?

Yes: This means that your asthma is not under control and you may need a modification or change in your medication. See ab allergist who may be able to help you on avoiding d triggers for your asthma as well ...Read more

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Its hard to breathe out easier to breathe in, I have a dry cough, pressure in my chest.I use inhaler but it works after an hour or so. Is it asthma?

Its hard to breathe out easier to breathe in, I have a dry cough, pressure in my chest.I use inhaler but it works after an hour or so. Is it asthma?

Smoking related?: You may have asthma, and/or be affected by your smoking. First, try quitting smoking and see if that makes a difference. You can also see your primary care provider or a lung specialist and have a test called spirometry, which can measure your lung capacity and make a diagnosis of asthma, if that is what you have. ...Read more

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What is cough variant asthma? And do you prefer dry powder inhalers or metered dose inhalers for albuterol treatment of this condition?Which is Better

What is cough variant asthma? And do you prefer dry powder inhalers or metered dose inhalers for albuterol treatment of this condition?Which is Better

Cough variant asthma: Is type of asthma where cough is the most salient symptom, dry cough, but still have other asthma signs, at times it might be the only symptom and hard to diagnose. As for the albuterol form: whichever works, so long it is taken in the right way and produces the desired effect, but albuterol is just a quick fix, you need comprehensive treatment as any other asthmatic, see an allergist/pulmonol ...Read more

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How long should an EOE patient use Flovent inhaler? I have used it for 3 Years, one dose a day. Cost has doubled so I feel I must stop, if I can.

How long should an EOE patient use Flovent inhaler?  I have used it for 3 Years, one dose a day.  Cost has doubled so I feel I must stop, if I can.

See your Doctor: often times there are other medicines, coupons, patient assistance programs and even samples of similar medicines that we can help you with. If possible bring in your formulary from your insurance company so we can see what medications that are similar we can use. Between the two of us usually we can find something that will work and not break the bank. ...Read more

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My Proair albuterol inhaler just reached zero on the dose counter. There is medicine left, can I still use it?

My Proair albuterol inhaler just reached zero on the dose counter. There is medicine left, can I still use it?

Maybe: It might be that when you reach ZERO on the counter, there is a little bit left, but not a reliable amount per puff. Therefore, when an inhaler is needed, if one has a new one, use the new one. If one has no new one, using the old one would be better than using nothing. One can get a refill when the pharmacy opens. ...Read more

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How dose imipramine incrases heart rate?Whats the mechanism?

How  dose imipramine incrases heart rate?Whats the mechanism?

Anticholinergic: It has a vagolytic effect i.e., it antagonizes the vagus nerve which would otherwise exert a slowing effect on heart rate so the net effect is for the heart to speed up ...Read more