Quit Q&A

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What causes this headache and dizziness?

Some quitters temporarily experience these symptoms. We don't know the exact cause, but they may be related to the diminishing constriction of blood vessels as nicotine leaves your system. Oxygenation also improves as carbon monoxide levels fall. Be sure to maintain good hydration and regular healthy eating patterns. Be sure to limit your caffeine intake to about half the amount you consumed before quitting. Be careful getting up if you feel light-headed. Let your doctor know if the symptoms are bothersome as they can be related to your quit-meds or changes in levels of other meds you are taking.

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