FAQ
Why do I feel dizzy after quitting smoking
Increased oxygen levels cause temporary dizziness as your body adjusts.
Quick Answer
Increased oxygen levels cause temporary dizziness as your body adjusts.
Detailed Explanation
Your brain is receiving more oxygen than it is accustomed to. This typically resolves within a few days to a week.
Key Facts
- Oxygen levels normalize within 24 hours of quitting
- Dizziness usually subsides within 3-5 days
What the Research Says
NIH reports improved circulation causes brief adjustment symptoms
Frequently Asked Questions
Is dizziness dangerous
Usually benign, but sit down if it occurs
What helps with dizziness
Stay hydrated, avoid sudden movements, and rest when needed
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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