Coughing and Dry Mouth from Vaping – Common Causes and Things to Consider
Coughing from vaping or experiencing a dry mouth is something many users may experience, especially at the beginning or when changing e-liquid, nicotine strength, or type of device. It does not always mean that something is wrong with the product, but there are several factors that can affect how vaping feels in the throat and mouth.
Coughing, dry mouth, and throat irritation can be caused by anything from nicotine strength and the PG/VG ratio to airflow, power settings, and how often the device is used. In this guide, we go through common causes and what may be useful to know.
Is it common to cough from vaping?
Yes, coughing from vaping can be common, especially if you are a new user or switch to a different type of e-liquid or vape device. A vape works differently from a regular cigarette, so the sensation in the throat may feel different.
What often has the greatest impact is how the vapor feels when inhaled. Some e-liquids provide a more pronounced throat sensation, while others feel smoother. The device’s power, airflow, and type of nicotine can also make a significant difference.
Common causes of coughing when vaping may include:
- Nicotine strength that is too high
- High PG content in the e-liquid
- Power setting that is too high
- Inhaling too forcefully
- Airflow that is too open or too restricted
- Being unaccustomed to vapor from a vape
- Burnt or worn-out coil
If the coughing started after you changed e-liquid, coil, pod, or device, the change may provide an important clue.
Why can nicotine strength affect coughing?
Nicotine strength is one of the most common factors affecting how strongly a vape feels in the throat. A higher nicotine strength can produce a more pronounced throat sensation, especially in combination with certain types of e-liquids and devices.
For some users, a nicotine strength that is too high can make the vapor feel harsh or uncomfortable. This can lead to coughing, especially with longer puffs or if the device produces a lot of vapor.
There is also a difference between freebase nicotine and nicotine salt. Nicotine salt often feels smoother in the throat at the same nicotine strength, while freebase nicotine can provide a more noticeable throat sensation.
If you would like to learn more about the differences between different types of nicotine, you can read our guide What Are Nicotine Salt and Freebase Nicotine?.
PG and VG can affect the sensation in the throat
E-liquid usually consists of a mixture of PG, VG, flavorings, and sometimes nicotine. PG and VG affect the consistency, vapor production, and sensation during inhalation.
PG, propylene glycol, is thinner and is often used to carry flavorings. E-liquids with a higher proportion of PG can provide a more pronounced throat sensation. For some users, this may feel strong or irritating.
VG, vegetable glycerin, is thicker and often contributes to greater vapor production and a smoother sensation. E-liquids with a higher VG content are often used in more powerful devices, but they are not always as suitable for smaller pod systems.
If you experience coughing or dryness after changing e-liquid, it may be worth checking the PG/VG ratio and seeing whether it differs from what you used previously.
We discuss this in more detail in the article PG/VG Ratios – Cigge Explains.
Why does vaping cause dry mouth?
Dry mouth when vaping can be caused by several things. One common cause is that ingredients in e-liquid, particularly PG, may feel drying in the mouth and throat. This does not necessarily mean that there is anything wrong with the e-liquid, but rather relates to how certain substances can feel with regular use.
Dry mouth can also be affected by how often you use your vape, how long your puffs are, and what type of e-liquid is used. Some flavor profiles may also feel drier than others.
Factors that may contribute to dry mouth include:
- High PG content in the e-liquid
- High nicotine strength
- Frequent use
- Long puffs
- Certain flavor profiles
- Insufficient fluid intake
If dry mouth occurs in connection with a new e-liquid, it may be worth comparing the contents, nicotine strength, and PG/VG ratio with previous products.
Can an incorrect power setting cause coughing?
Yes, the power setting can affect how the vapor feels. If a vape is used at too high a wattage for the coil, the vapor may become warmer and more intense. This can cause a stronger reaction in the throat, especially if the e-liquid has a high nicotine strength or a high proportion of PG.
On the other hand, power that is too low can prevent the liquid from vaporizing in the way the coil is designed to. This can result in weaker flavor, uneven vapor, or a different sensation during inhalation.
Many coils have a recommended wattage range. If you use an adjustable vape, it is a good idea to check that the setting is within the manufacturer’s recommendations.
If you would like to learn more about this, see our article What Wattage Should I Vape At?.
Airflow and inhalation technique also play a role
Airflow affects the vapor’s temperature, quantity, and sensation. More open airflow can produce a larger amount of vapor, while more restricted airflow often provides a more concentrated sensation.
If the airflow does not suit the way you inhale, it can lead to coughing or discomfort. For example, a device intended for direct-to-lung inhalation may feel too powerful for someone accustomed to mouth-to-lung use.
Inhalation technique also matters. Short, controlled puffs can feel different from long and forceful inhalations. If you have recently switched from a smaller pod to a more powerful device, it may therefore take time to get used to how the device works.
We have previously written about the difference between various inhalation methods in the guide What Is the Difference Between MTL and DTL?.
Can a worn-out coil cause coughing or a dry sensation?
A worn-out coil can affect both flavor and the sensation in the throat. As the coil is used, residue builds up and the cotton is affected by heat and e-liquid. This can cause the vapor to become uneven, the flavor to deteriorate, or a dry or burnt note to develop.
If the coil is very worn, it can produce a harsher experience than usual. In some cases, a burnt taste may also occur, which is often a sign that the coil is no longer working as it should.
Signs that the coil may need to be replaced include:
- Burnt or dry taste
- Weaker flavor than before
- Less vapor
- Gurgling sounds
- Inconsistent performance
We have written more about this in the article 5 Tips for Avoiding Burnt Coils.
Can some flavors feel stronger than others?
Yes, different flavors can be experienced differently in the throat and mouth. Menthol, citrus, strong fruit flavors, and certain sweet flavors may feel more intense than milder flavor profiles.
This does not mean that one flavor is better or worse, but it can affect how the user experiences the vapor. If coughing or dry mouth occurs after switching to a new flavor, the flavor profile itself may be a possible factor.
Some users prefer milder e-liquids, while others want a more pronounced flavor and throat sensation. Therefore, it may be useful to compare different types of vape juice to find a profile that suits the device and usage.
When might it be worth trying something else?
If coughing or dry mouth occurs repeatedly, it may be worth reviewing several factors at the same time. In many cases, it is not due to a single cause, but to a combination of e-liquid, nicotine strength, device, and usage method.
It may be worth comparing:
- Nicotine strength
- PG/VG ratio
- Type of nicotine
- Power setting
- Airflow
- Type of vape device
- Flavor profile
For some users, a different e-liquid, lower nicotine strength, or another type of device may provide a different experience. If you want to compare different products, our range of vapes and e-cigarettes is collected in the vape devices category.
When should you pay extra attention?
The information in this article is general and concerns common factors that may affect the vaping experience. If coughing, dry mouth, or irritation is severe, prolonged, or troublesome, you should pay attention and, if necessary, contact a healthcare provider for individual advice.
It is also important to follow the manufacturer’s recommendations for the product being used and not to use a device, pod, or coil that is damaged or functioning abnormally.
Things to remember
Coughing and dry mouth from vaping can be caused by several different factors. Common causes include high nicotine strength, a high proportion of PG, an incorrect power setting, airflow, inhalation technique, a worn-out coil, or a flavor profile that feels stronger than others.
If the problem occurs after you change e-liquid, coil, pod, or device, the change may provide an important clue. By checking each part step by step, it becomes easier to understand what affects the experience.
Vaping can feel different depending on the product, liquid, and method of use. Therefore, it is a good idea to read the product information carefully and choose products that are compatible with the device being used.
