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Why Do We Cough?

The Hyfe Mind


July 14, 2020
CoughPro is not a medical product. It is a wellness app intended only for users to obtain a better understanding of their cough. It is not intended to diagnose, monitor, or treat any illness.

We at Hyfe, Inc., are a company devoted to working on tools to better understand the importance of cough. It is Hyfe’s intention in the future to seek regulatory approval for medical products that analyze cough in order that they may be used to diagnose, monitor, and facilitate better treatment of respiratory illnesses.

Why do we cough

Why do we cough? This explosive exhalation is a messenger of doom to some and a mere annoyance to others. We answer this and other questions about coughing.

RELATED: All Types of Cough Described

Our incredible bodies are a complex system of actions and reactions which scientists have yet to comprehend. One of these fascinating reactions is coughing. But have you ever wondered about the reasons for, and the mechanics behind this somewhat odd behavior? 

COVID-19 has thrust the little cough into the spotlight. As the world's best minds try to unpack and dissect this phenomenon, we wonder: Is coughing always a bad thing?

What Is a Cough?

Interestingly, coughing itself is not an illness. 

It's either a symptom of an illness or a vehicle to rid our bodies of foreign matter. Coughing persistently is a sign that something isn't quite right in our bodies, and it signals our conscious mind that we need to pay attention to it. 

In short, a cough is a spontaneous reflex that clears your airways. 

To be more specific or technical, coughing works like this:

  • The sensory fibers present in our trachea, throat, and upper bronchi link to a 'coughing' center within our brain. When something irritates these cells, they send a signal to trigger the cough mechanism. 
  • Next, we inhale.
  • The epiglottis (the opening to the trachea) closes.
  • The chest constricts and compresses the air in our lungs.
  • Finally, the epiglottis opens, and forces a burst of air out of our mouths, taking with it infected mucus and other irritants in a beautifully gross and far-reaching expulsion.
  • While there are many reasons for coughing, the mechanics remain the same.

Acute Cough Causes

  • Allergic Reaction: Someone with a history of asthma or a system sensitive to irritants is more likely to cough from an allergic reaction, but it can happen to anyone. For some of us, perhaps those with a history of asthma or a system sensitive to irritants, inhaling anything that would trigger an allergic response, such as mold, is the most common reason for coughing. These hypersensitive bodies overreact to this irritant and experience inflammation and restriction to the airways. Pollen, pet dander, dust, or chemicals can have the same effect giving rise to a coughing fit, watering eyes, and shortness of breath.
  • Upper and Lower Respiratory Tract Infections: These infections usually accompany other symptoms. Upper respiratory tract infections are usually caused by viruses (influenza, common cold, etc.), while lower (which affect airways and/or lungs) can be caused by both viruses and bacteria, and are usually more serious and cause lasting cough.
  • Postnasal Drip: Whether from allergies or illness, we may suffer from postnasal drip. Mucus from a congested nasal passage drips down the back of the throat, causing an irritating cough. It's usually not dangerous but can impact our sleep and make us seriously cranky. 
  • GERD: In the case of gastroesophageal reflux disease, stomach acid backs up into the esophagus, and when it reaches the throat, it can cause dry cough.
  • Pulmonary Embolism: Dry cough can be a consequence of a blood clot traveling to the lungs and causing shortness of breath as well. This is a life-threatening condition and requires immediate medical attention.
  • Heart failure: Fluid buildup in the lungs can occur when the heart is not functioning properly, causing dry cough

When Does a Cough Become a Problem?

Sometimes we can overlook the seriousness of coughing because it is such a natural part of human life. Someone lights up a cigarette, or we pass by a glowing stick of incense, and we automatically start coughing. 

What should we be looking out for, both for ourselves and our loved ones, and when should we see a doctor?

When it comes to coughing, trust your instincts. In other words, if you think your cough warrants a visit to your doctor, then make an appointment. 

If, however, you're unsure, follow these guidelines:

  • If your cough is causing chest pain or you are coughing up blood, then you should talk to your doctor.
  • A cough following a cold or flu is normal, but if it persists for more than a week, it's advisable to see a doctor.
  • If you cough in conjunction with a high fever, extreme fatigue, wheezing, or an inability to swallow, then it's certainly time to visit a doctor.
  • If, during coughing, the skin or lips take on a blueish tint and the person is unable to speak, then immediate steps need to be taken. They may be choking, or their lungs have become dangerously compromised.

What Can We Do?

COVID-19 has made us more than a little paranoid about coughing, and rightly so. We undoubtedly want to stay on top of any symptoms that would indicate a severe illness, both for ourselves and our families. 

This means doing whatever we can to identify ailments as soon as possible – prevention is unquestionably better than cure! 

So, make sure you understand the difference between an irritating cough and a serious problem.

In short, coughing is a natural reflex to help us clear obstructions. A cough can indicate a severe condition, but not all coughs are bad. If you're concerned about your cough, speak to a healthcare provider.

Your Cough Matters

Based on our results in Google Play & App Store
  • Excellent, insightful
    By dust mite dan - Apr 7, 2023 - App Store
    This app is easy to use, aesthetically pleasing and has provided me with useful information about my cough and disease patterns that have improved my overall health!

    Try CoughPro for Free
  • Great app!
    by Imtfx0019 — Dec 6, 2022 - App Store
    Impressed with how well it detected my coughs, even very slight ones.
    Try CoughPro for Free
  • App is Great!
    by HBert Quach — Jan 22, 2023, - Google Play
    App is great at tracking cough when little ones are sick. I treat it as a early warning indicator before the cold gets back. Customer service is awesome, they actually respond to all my questions.
    Try CoughPro for Free
  • Great Experience
    by Christi Hammock — Mar 7, 2023, - Google Play

    I had an issue logging into the new app but I contacted the support team and they were awesome in helping me figure out the issue. It turned out to be a technical issue which they resolved very quickly and I was kept in the loop on the status from start to finish. This app is really helpful when talking to my doctor too..
    Try CoughPro for Free
  • Impressive app
    By KayakTina - Apr 7, 2023 - App Store
    "The app accurately is recording my coughs with excellent ways to review the results. I can add notes to help me identify patterns or have accurate information for my physicians. I’ve hoped for an app like this for years to help me accurately track the amount of coughing I’m doing"
    Try CoughPro for Free
  • Accurate count of coughs
    by Beardonna — Mar 8, 2023 - App Store

    Just installed the app. Very accurate measuring coughs so far! Cannot wait to see how much coughing I do while sleeping. I'll have a better picture to discuss with my physician at my next visit.

    Try CoughPro for Free

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