Why You Cough When You Vape And How to Stop It!

Why You Cough When You Vape And How to Stop It!

How Many New Vapers Cough When Vaping?

When we surveyed 600 vapers, almost 57 % of them said they coughed when using an electronic cigarette for the first time:

Cough-when-started-vaping-2

 

Research by scientists backs this up, suggesting that the most common side effect experienced by first time vapers was a cough and sore throat.

A Temporary Effect

For most vapers, coughing when vaping is a temporary effect.

While almost 57% said they coughed when they first vaped, 93% of them no longer have a problem.

Do-you-still-cough-vape

 

For those interested, 92% had been vaping for more than 10 weeks, with just 1% of those surveyed vaping for 0-1 weeks.

 

Why do you cough when you vape?

Irritants in Vapor

Why do we cough?  Most vapers will probably tell you it’s because of propylene glycol.

Propylene glycol model.

Around 10% of the population is sensitive to propylene glycol. (A much smaller proportion is allergic to propylene glycol).

Why do vapers cough when they first use e-cigarettes, but not after sustained use?

No-one seems to have the answer at the moment, but one possible reason is that your body gets used to these chemicals.

Lack of Anesthetics

In addition, Chris Price of E-Cigarette Politics believes that tobacco smoke contains ingredients which are specifically designed to stop smokers from coughing. Chris said:

“Essentially, this is why you can breathe in tobacco smoke when you can’t breathe in bonfire smoke too well, when they are basically the same thing: burning plant matter…. Some of the 9,600 ingredients identified to date are in there to make the smoke smoother, less irritating, and to prevent coughing.”

The absence of anaesthetics and antitussives in vaping could explain why you cough when you first try vaping.

Technique Used When Vaping

Then there’s technique.

Many smokers draw cigarette smoke directly into their lungs.

But many vapers, on the other hand, draw vapor into their mouths before inhaling into their lungs.

Some vapers find that using the same technique for cigarettes causes them to cough.

Could the difference between techniques explain why people cough when they first vape, but not when they are experienced vapers?

Our survey seems to suggest techniques make a difference for at least some vapers. Although many respondents (40.58%) were unsure or couldn’t remember whether changing technique helped, almost 30% felt it did help:

Technique-used-help-stop

Initially I thought that mouth-to-lung inhale was less likely to make you cough when vaping, but in fact it seems to vary from vaper to vaper (possibly because of the difference in devices and juice used.)

Cilia Regrowth

When you smoke, you slowly destroy tiny hair-like projections on your respiratory tract called cilia. When you stop smoking, these slowly grow back.

A by-product of the hairs growing back is coughing – just one of many side effects you can experience when you stop smoking.

Cilia projecting from respiratory epithelium in the lungs

Some bloggers have speculated that this regrowth or cilia could be why new vapers cough.

This might explain why some new vapers have a recurring cough when switching to vaping. However, it doesn’t explain why smokers cough when they vape their first e-cigarette.

Nicotine Strength & Throat Hit

If you’re an experienced vaper and you’ve tried a zero nicotine e-liquid, you’ll have noticed that the throat hit is much reduced.

A higher nicotine level seems to lead to a harsher vape, and an increased likelihood of coughing.

On the other hand, some people need a high nicotine level in order to successfully switch to e-cigarettes.

Device Used

The device used can also contribute to coughing. In fact, many users cough when they first switch to a sub-ohm device.

So if coughing is an issue for you, it may be worth using a more basic device when you start off. Again, you do need to balance this with research that shows cigarette smokers are more likely to successfully switch to electronic cigarettes with more advanced devices.

This is probably because they deliver more nicotine more quickly than basic devices, as the graph below shows:

New generation device v. cigalikes.

Dehydration

Both propylene glycol (PG) and vegetable glycerine (VG) attract water, which helps make the clouds of vapor that you see when exhale.

A minor side of this can be dehydration and occasionally a sore or dry throat, which may contribute to coughing.

4 Ways to Stop Coughing When Switching to E-Cigs

1. Experiment with Techniques

Now, I’ve always assumed that a ‘mouth-to-lung inhale’ (it’s not a technical term, but one widely used in the vaper community) would be less likely to lead to coughing.

2. Change PG/VG Ratio

If you continue to experience a cough when you vape, you could change the PG/VG ratio.

Vegetable glycerine model.

Most e-liquids are made up of PG (propylene glycol) and VG (vegetable glycerine). VG is smoother and many people who use high powered box mods find they need to use an e-liquid with a high VG ratio to avoid coughing.

A small minority of people need to use a 100% VG e-liquid, although unfortunately these can be rather harsh on atomisers.

3. Experiment With Nicotine Levels

We’ve seen that nicotine can affect the throat hit that you get. So if coughing is an issue, it may be worth temporarily reducing the nicotine that you use.

However, remember that scientists tell us the harm with smoking comes from the smoke, not the nicotine. So once you are used to vaping, it might be worth increasing the nicotine level if it helps you stay off tobacco cigarettes.

4. Drink Water

We’ve seen that PG and VG can cause minor dehydration, but can you tackle this by simply drinking more water.

Reader Suggestions

5. Change the Speed Of Inhale

In the Facebook comments we have found that inhaling really slowly can lead to coughing, as there is not enough air hitting the coil in your e-cigarette. By experimenting with the speed you inhale, you may be able to reduce coughing.

6. Change the Speed of Exhale

Our readers find that you can reduce the chance of coughing by using a slow, controlled exhale.

7. Add a Drop of Menthol

Other readers suggest adding a drop of menthol e-liquid to your e-juice.

Finally, The Positive Side Effects of Vaping

If you are thinking of quitting e-cigs at the first hurdle, it might be worth considering the positive side effects of vaping.

While most reported side effects are both minor and temporary, research shows that the positive effects of vaping can be huge, especially if you switch 100% to electronic cigarettes. Here are just some of those found by scientists:

changes-in-physical-conditions

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