Nicotine shock: causes and immediate measures

Nicotine shock, nicotine flash? Find out everything you need to know here: What is it anyway? What are the symptoms of nicotine shock? How long does it last? How can you avoid it? You can also read an experience report and find out what you can do in an emergency. We hope this article provides you with useful information and reminds you how important it is to use nicotine responsibly.

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This article was updated on 03.06.2025.

Quick FAQ on nicotine shock / nicotine flash

Details: Nicotine shock / nicotine flash what you should do immediately

If you experience a nicotine flash, there are some immediate measures that can help you. Leave the room immediately, get some fresh air and put away all tobacco products. Breathe in slowly and deeply to supply your body with sufficient oxygen. Open windows and doors to provide fresh air - ideally for at least 15 minutes.

Drink something sweet like orange juice or lemonade to raise your blood sugar level. If you don't have anything like this to hand, you can also add sugar to a glass of water and drink it slowly. Another option is to eat chocolate, which also raises blood sugar levels. These measures can help to alleviate the symptoms of nicotine withdrawal.

Please also consult your family doctor. Nicotine shock is not to be trifled with if you experience it frequently.

Nicotine flash or nicotine shock: this is not to be trifled with. Check with your family doctor too.

Details: Nicotine shock symptoms

Please note that this section is incomplete and contains only the most common nicotine shock symptoms. If you regularly suffer from nicotine withdrawal, it is highly advisable to consult a GP for further information and support.

The most common nicotine shock symptoms include nausea, dizziness, tremors, sweating, vomiting and diarrhoea. Please note that diarrhoea can also occur after smoking and not just during smoking. Intestinal cramps can also occur.

Details: Nicotine shock - how long does it last?

This varies: it may only last a few minutes. If the shock is more severe, it can also last longer, e.g. in the case of vomiting or diarrhoea. Please also consult your GP. You can tell whether you are having a flash because of the symptoms described; and ask yourself how long it lasts, especially with nicotine shock. This is not to be trifled with.

Details: How you can prevent it

You need to get rid of your addiction. Find out from your GP how you can successfully kick your addiction.

When enjoying a cigar, it is important to take your time and savour it consciously. To avoid unpleasant symptoms, it is advisable to draw the cigar slowly and eat something beforehand. The following list contains points that are frequently observed in practice, but is not exhaustive. Please also enquire with your family doctor.

When smoking Cigars it is important to ensure the right conditions to avoid unpleasant symptoms. An adequate supply of oxygen in the room is important to provide the body with sufficient oxygen. Regular ventilation helps to keep the room fresh and remove smoke.

In addition, a professional air purifier can be used to remove the smoke and improve the air quality. When smoking, care should be taken not to smoke too quickly or on an empty stomach, as this can lead to unpleasant symptoms such as nausea, dizziness and tremors.

It is also possible to ingest too much nicotine, especially if you smoke several cigars in a row or consume other nicotine-containing tobacco products on the same day and too quickly in succession. It is important to be aware of this and to consult a doctor if necessary in order to get help in combating tobacco addiction and to minimise possible health consequences.

Details: Field report: How to avoid nicotine shock when smoking cigars

I've been smoking cigars since the 1990s and in my beginner years I had a slight nicotine flash from time to time. Mostly it was a result of smoking too fast or when I smoked on an empty stomach. In such cases, I felt nauseous and started sweating. My first reaction was to put the cigar down and get some fresh air. Normally, I didn't think to drink or eat anything sweet to relieve the flash.

I had my last nicotine flash in 2020. I wasn't in the mood to smoke a cigar that day, but I didn't realise that in the morning. For my test reports, I always smoke the first cigar on an empty stomach. But after about 10 minutes I felt dizzy and started sweating. The nicotine had got to me. Although I used an air filter in the lounge, I immediately ventilated the room and drank sugar water before going out into the fresh air. After a few minutes, I felt better and the nausea and sweating subsided.

I was surprised that I got a nicotine flash despite smoking slowly. So I had breakfast before trying another cigar about two hours later. This time everything went smoothly. Obviously, I wasn't in the best frame of mind to smoke a cigar before breakfast.

To avoid a nicotine flash, I recommend sticking to the tips described above. However, if you do experience a nicotine flash, you now know what you can do about it immediately.

Resources on the topic

You can find out more about nicotine on Wikipedia

Tip: You may also be interested in this article: Cigars as a health risk - 6 scientific facts