FAQ
Can withdrawal cause heart palpitations
Yes, as heart rate normalizes, some feel palpitations or irregular beats.
Quick Answer
Yes, as heart rate normalizes, some feel palpitations or irregular beats.
Detailed Explanation
Heart rhythm is adjusting to the absence of nicotine stimulation. Usually harmless but persistent issues need evaluation.
Key Facts
- Heart rate variability improves after quitting
- Cardiovascular function stabilizes within 2 weeks
What the Research Says
CDC reports improved heart health begins immediately
Frequently Asked Questions
Are palpitations dangerous
Usually benign adjustment; severe or persistent ones need attention
How long do they last
Typically resolve within 1-2 weeks
Sources & References
The information in this article is based on publicly available research and guidance from the following authoritative health organizations:
- CDC - Smoking & Tobacco Use
- WHO - Tobacco
- NIH - National Cancer Institute
- American Lung Association
- American Heart Association
- Truth Initiative
- Smokefree.gov
Sources accessed February 2026
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