Why Do I Still Feel Dizzy After Years of Smoking? - Smoking Cessation

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I have been smoking for several years, and sometimes I still experience dizziness?


I have been smoking for about two to three years, and I usually smoke more than half a pack a day.
However, sometimes when I smoke, I feel dizzy, and my whole body goes numb, even to my fingers.
What could be the reason for this?

Niming, 20~29 year old female. Ask Date: 2016/05/09

Dr. Cai Fushun reply Smoking Cessation


Smoking contains over 4,700 substances, one of which is nicotine.
Nicotine stimulates the adrenal glands to secrete hormones, leading to increased blood pressure, accelerated heart rate, peripheral vasoconstriction, and arterial blockage, which can result in cardiovascular diseases.
Symptoms may include dizziness and numbness throughout the body.
To prevent these symptoms from worsening, it is advisable to quit smoking as early as possible.

Reply Date: 2016/05/09

More Info


Feeling dizzy after years of smoking can be attributed to several factors, particularly the effects of nicotine and other harmful substances found in cigarettes. When you smoke, nicotine enters your bloodstream and causes a series of physiological responses. It stimulates the release of adrenaline, which can increase your heart rate and blood pressure. This sudden surge can lead to feelings of dizziness or lightheadedness, especially if you are not accustomed to the effects of nicotine or if you smoke on an empty stomach.

Moreover, smoking can lead to chronic respiratory issues, such as chronic obstructive pulmonary disease (COPD) or chronic bronchitis, which can impair your lung function over time. Reduced lung capacity means less oxygen is delivered to your bloodstream, which can also contribute to feelings of dizziness or lightheadedness. If you are experiencing numbness or tingling in your fingers, this could be a sign of reduced blood flow or oxygenation to your extremities, which can occur due to vascular constriction caused by smoking.

Another important consideration is the potential for nicotine dependence. If you have been smoking for two to three years, your body may have developed a tolerance to nicotine, and withdrawal symptoms can occur if you go too long without a cigarette. These withdrawal symptoms can include dizziness, irritability, and physical discomfort. If you find that you feel dizzy when you haven't smoked for a while, it may be a sign that your body is craving nicotine.

Additionally, smoking can lead to dehydration, which is another potential cause of dizziness. Cigarettes contain various chemicals that can affect your hydration levels, and if you are not drinking enough water, you may experience dizziness as a result.
It's also worth noting that smoking can have long-term effects on your cardiovascular health. Over time, smoking can lead to the buildup of plaque in your arteries, which can restrict blood flow and lead to cardiovascular diseases. This can manifest as dizziness, especially during physical activity or when standing up quickly.

If you are experiencing persistent dizziness, it is crucial to consult a healthcare professional. They can perform a thorough evaluation to determine the underlying cause of your symptoms. This may include a physical examination, blood tests, or imaging studies to assess your cardiovascular and respiratory health.

In summary, the dizziness you are experiencing after years of smoking could be due to a combination of nicotine effects, chronic respiratory issues, potential withdrawal symptoms, dehydration, or cardiovascular concerns. Quitting smoking can significantly improve your overall health and reduce these symptoms over time. If you are considering quitting, there are various resources available, including counseling, support groups, and medications that can assist you in the process. Your health is worth the effort, and seeking help can lead to a healthier, smoke-free life.

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