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Doctor insights on: Sudden Lightheadedness After Smoking First Cigarette

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I'm feeling really dizzy, i smoke cigarettes, could that be causing my lightheadedness?

I'm feeling really dizzy, i smoke cigarettes, could that be causing my lightheadedness?

What type of cigs?: Nicotine cigarettes don't usually cause dizziness, but could since nicotine provides a stimulant brain effect increasing BP and heart rate. Other types of cigarettes like cannabis could certainly cause dizziness. Even e-cigs can have weird effects with the vaporized substances in them. Bottom line: why smoke anything at all? Best to see your doctor to evaluate your dizziness & light-headedness. ...Read more

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Dr. Dariush Saghafi
1,001 doctors shared insights

Lightheadedness (Definition)

Lightheadedness is a sensation of feeling faint or "light in the head". It may be a symptom of Low blood pressure, or hypotension, which occurs when blood pressure during and after each heartbeat is much lower than usual. It may also occur when you are dehydrated, as my happen when severe morning ...Read more


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Dysautonomia causes low bloodpressure, cigarettes make lightheadedness better, is this due to vasoconstrictor property? I know its bad but scientific?

Dysautonomia causes low bloodpressure, cigarettes make lightheadedness better, is this due to vasoconstrictor property? I know its bad but scientific?

No evidence: I believe because of the bad side effects of tobacco use, it has not been studied as a treatment for dysautonomia so there is no true evidence to suggest a mechanism for tobacco to treat symptoms of dysautonomia. ...Read more

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Why did I all of the sudden get lightheaded after smoking my first cigarette?

Why did I all of the sudden get lightheaded after smoking my first cigarette?

Nicotine and hypoxia: Nicotine is a powerful drug, and lightheadedness from smooth muscle relaxation may occur even in experienced smokers who smoke more than usual, but is common (as is nausea and vomiting) with the initial exposure to cigarette smoke. It also causes carbon monoxide to replace oxygen in red blood cells, and this can also result in dizziness or lightheadedness. ...Read more

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When quitting smoking is it normal to feel lightheaded and shaky in the first few days of quitting?

Yes!: You are having withdrawal symptoms. Might become agitated, have headaches, feel your skin crawl, feel the need to kill people! it will get better, and you are worth it! ...Read more

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Could you get withdrawal symptoms from your first time drinking or smoking cigarettes?

Could you get withdrawal symptoms from your first time drinking or smoking cigarettes?

No: It takes repeated use, over many weeks, and usually at least months or even years. You can get reactions from your first drinking episode (nausea, vomiting, diarrhea, stomach upset, headache) but that is a hangover, not withdrawal, and first tobacco can do similar things. ...Read more

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It's my 6th day on chantix when will it begin to work. I haven't reduced smoking, cigaretts taste the same. Tomorrow is my first day without smoking.

It's my 6th day on chantix when will it begin to work. I haven't reduced smoking, cigaretts taste the same. Tomorrow is my first day without smoking.

Patience: First thing which is important that big decision or big step to ask for help plan to take medications and plans to stop smoking . So be patient once Chantix dose will go higher you will have less craving. ...Read more

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How long will I feel lightheaded if I started to quite smoking yesterday? Already pretty dizzy.

How long will I feel lightheaded if I started to quite smoking yesterday? Already pretty dizzy.

On and off: for a few weeks especially during periods of craving. You can mitigate it by slow breathing, light exercise and drinking plenty of juice and water. Using Nicotine Patch can also help. ...Read more