The research on vaping’s side effects is relatively new. Comparatively, the results of smoking have been studied since the 1950s. It is not known how vaping will affect the body and lungs.

The image below shows some of the areas where vapers feel affected. Based on data collected by 19,000 vapers worldwide.


Side effects reported by vapers in the survey involving more than 19,000 people around the world:

  • Sore Throat
  • Dry Mouth
  • Mouth Sores
  • Gum Bleeding
  • Dry skin / Rash/ Itching
  • Nosebleeds
  • Cough
  • Chest pains
  • Headache
  • Lightheadedness/Nausea/Dizziness
  • Sleeplessness
  • Heart palpitations

Not everyone will experience the symptoms that are perceived. According to the study cited above, 40% of participants reported no side effects at all.

In addition, approximately 65 percent of reported symptoms are related to dry mouth or sore throat. Even better, 90% of the symptoms can be avoided or at least partially resolved.

You will learn how to understand better why you may be experiencing these symptoms.

  • What ingredients are in vape juice that cause these side effects?
  • How to vape safely and avoid negative and positive health consequences!

What are the side effects of smoking and vaping?

If you are quitting cigarettes, you might mistake the symptoms of leaving for the side effects of vaping.

Two things can make you feel unwell after quitting smoking:

  1. The lungs are detoxifying chemicals from cigarettes
  2. Nicotine withdrawal

The Lungs Recovering After Quitting Cigarettes:

  • Cough
  • Sore throat
  • Sneezing
  • Shortness of Breath / Wheezing
  • Chest Pains
  • Mouth ulcers

It’s normal for you to experience some negative side effects when quitting smoking. This is your body’s way of clearing your lungs after years of smoking. You may feel flu-like symptoms, such as a sore throat and coughing. These health effects will only last a short time and are a sign of your body’s healing.

Keep hydrated to speed up the process. A humidifier can help you cough up mucus.


  • Headaches
  • Fatigue
  • Sweating
  • Dry Mouth
  • Nausea
  • Constipation, stomach pains
  • Weight gain and increased appetite
  • Nicotine cravings intense
  • Concentration problems
  • Insomnia
  • Irritability and mood swings, anxiety, and depression

Nicotine is highly addictive, and you’ll experience withdrawal symptoms when you stop smoking. It is this addiction that makes it so difficult for smokers and vapers to quit.

Nicotine is also present in vape juice, but it is absorbed into the bloodstream differently than when you smoke.

When you vape e-liquid, unless you place your hand into a vat of juice, if you get sap on your body, you can remove it by soaking it in warm water.

You may also want to select a nicotine strength that is right for you if you tend to vape in a chain.

Learn more about how to choose the correct nicotine strength.



Nicotine can have adverse effects on vape juice. You can order juices without nicotine, but you may still experience negative effects such as dehydration from propylene glycerin and vegetable glycerin.

Explore some of the potential side effects caused by propylene glycol or vegetable glycerin.

Side Effects of Propylene Glycol

Propylene glycol (PG) is the main ingredient responsible for carrying the flavoring in your vape juice. PG is found in everyday items such as personal care products and foods. Although the FDA approves PG for human ingestion, the health effects of inhalation are not widely understood.

It is well known that vapers using higher PG ratios can suffer from dehydration due to the humectant qualities of PG.

Propylene glycol can cause dehydration, which is one of the side effects reported by vapers.

  • Coughing
  • Constipation
  • Dry throat/Throat irritation
  • Dry Mouth
  • Dry Eyes
  • Headaches
  • Dizziness
  • Drowsiness
  • Fatigue

These symptoms may occur in people who are allergic to PG:

  • Rash / Skin Irritation
  • Extreme itching sensations
  • Sinus problems

How to Avoid the Side Effects of Propylene Glycol?

  • You can choose e-juices with a higher VG ratio or 100% VG if you’re sensitive to propylene glycol.
  • You will need to drink more than usual if you experience dehydration. You can reduce the effects of vaping by staying hydrated.



Vegetable Glycerin is the viscous liquid responsible for e-liquid’s smooth inhalation and thick clouds.

In shampoo, soap, baked goods, and deodorant, you can find VG. FDA has approved this chemical for human consumption. However, little is known about the effects of inhaling it.

VG, like PG, is also used to preserve moisture. The side effects that vapers report are primarily caused by dehydration.

Some vapers have reported side effects from VG.

  • Dry Mouth
  • Sore Throat
  • Dryness of the Nose
  • Increased Thirst
  • Coughing


Vaping is not for everyone, and it’s rare to be allergic to vegetable glycerin. You may not be completely able to eliminate these side effects, but you can minimize them.

  • Avoid dehydration by drinking more water than usual.
  • Vape less. Find the nicotine level that is right for you, and control your vaping.

What are the positive side effects of vaping?

From what we know currently, the negative side effects stem either from quitting cigarettes, getting too much nicotine, or dehydration.

Researchers have reported 405 symptoms in a research that was conducted on online vaping communities. Some 78 were side effects caused by quitting smoking. Most of the positive results are associated with a better respiratory system after vaping high-quality and tested vape juice.

We’ll look at some of the side effects that smokers have reported after switching from smoking to vaping.

  • Better Breathing
  • Reduce Coughing
  • Improved COPD
  • More Sore Throats
  • Reduce bad breath
  • Stamina and endurance: Improve your fitness
  • Better Smell
  • Better taste
  • Overall health improvement

What are the long-term side effects of vaping?

Vaping has not been studied for its long-term effects. We do not know if there is enough toxicant in the vape juice to cause damage over time.

Researchers have found no signs of lung damage in a study that examined vapers who vaped daily for the last 3.5 years. The study, which only examined nine vapers who have never smoked before, is a good sign.

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