Feeling Dizzy After Smoking: Is It Nicotine Poisoning? - Pulmonology

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Smoking causes dizziness?


I have been smoking for 28 years, and my consumption gradually increased to two packs a day.
Two days ago, I suddenly started feeling dizzy and nauseous.
Resting helps me recover, but I still feel weak and lack energy.
Drinking sports drinks has improved my energy levels and alleviated the dizziness.
However, every time I smoke, I feel dizzy and nauseous again.
Switching to lighter cigarettes has the same effect, just less intense.
The dizziness has persisted for three days.
I would like to know if this is a sign of poisoning and if I need to see a doctor.
Currently, I am hesitant to smoke and want to take this opportunity to quit smoking for good.
When cravings hit, I go for a walk and drink milk.

Niming, 40~49 year old female. Ask Date: 2019/08/31

Dr. Yang Wenda reply Pulmonology


Hello: It may be a temporary maladaptation due to nicotine withdrawal, but you will gradually adjust.
Taking this opportunity to quit smoking is the best choice.

Reply Date: 2019/08/31

More Info


Feeling dizzy and nauseous after smoking can indeed be concerning, and it may be indicative of nicotine poisoning, especially given your long history of smoking and the recent increase in your smoking habits. Nicotine is a potent stimulant that affects the central nervous system, and its effects can vary significantly based on individual tolerance, the amount consumed, and the frequency of use.

When you smoke, nicotine enters your bloodstream rapidly, leading to various physiological responses. In moderate doses, nicotine can enhance alertness and concentration, but in higher doses, it can cause symptoms such as dizziness, nausea, increased heart rate, and even vomiting. The fact that you are experiencing these symptoms after smoking suggests that your body may be reacting negatively to the nicotine, possibly due to an accumulation of nicotine in your system or a sudden change in your smoking pattern.

Given your history of smoking two packs a day, your body has likely developed a significant tolerance to nicotine. However, if you suddenly reduce your intake or change the type of cigarettes you smoke (like switching to lighter ones), your body may react differently. The dizziness and nausea you are experiencing could be a sign that your body is struggling to cope with the nicotine levels, especially if you have recently increased your smoking frequency or quantity.

It's also worth noting that other factors could contribute to your symptoms. Dehydration, lack of food, or even anxiety can exacerbate feelings of dizziness and nausea. If you have been under stress or not eating well, these factors could also play a role in how you feel after smoking.

Since you mentioned that the symptoms have persisted for three days, it would be wise to consult a healthcare professional. They can conduct a thorough evaluation to rule out other potential causes of your symptoms, such as dehydration, inner ear issues, or other medical conditions. Additionally, they can provide guidance on how to safely manage your smoking cessation journey.

In terms of quitting smoking, it sounds like you are already taking positive steps by reducing your intake and seeking healthier alternatives, such as walking and drinking milk. These are excellent strategies to help manage cravings and improve your overall well-being. It's important to remember that nicotine withdrawal can lead to various physical and psychological symptoms, including cravings, irritability, and mood swings. Finding effective coping mechanisms, such as engaging in physical activity, staying hydrated, and maintaining a balanced diet, can significantly aid in your cessation efforts.

Moreover, consider seeking support from smoking cessation programs or counseling services. These resources can provide you with strategies to cope with cravings and help you navigate the challenges of quitting smoking. Remember, the journey to quitting smoking is often not linear, and it's normal to experience ups and downs along the way.

In summary, your symptoms of dizziness and nausea after smoking could be related to nicotine poisoning or other factors. It is advisable to consult a healthcare professional for a thorough evaluation and to discuss your smoking cessation plans. Taking proactive steps to quit smoking is commendable, and with the right support and strategies, you can successfully overcome this addiction and improve your overall health.

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