Blood pressure: Is it affected by cold weather?
Blood pressure: Is it affected by cold weather?QuestionCan seasonal changes in weather affect blood pressure? I've noticed that my blood pressure is harder to control in the winter. AnswerBlood pressure generally is higher in the winter and lower in the summer. That's because low temperatures cause your blood vessels to narrow — which increases blood pressure because more pressure is needed to force blood through your narrowed veins and arteries. Other seasonal causes of higher blood pressure include weight gain and decreased physical activity in winter. If you have high blood pressure already, continue to monitor your blood pressure readings as the seasons change, and talk to your doctor. Your doctor may recommend changing the dose of your blood pressure medication, or switching to another medication. Don't make any changes to your medications without talking to your doctor. If you have questions about how weather may affect your blood pressure, ask your doctor. RelatedLast Updated: 2010-02-09 © 1998-2012 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. A single copy of these materials may be reprinted for noncommercial personal use only. "Mayo," "Mayo Clinic," "MayoClinic.com," "Mayo Clinic Health Information," "Reliable information for a healthier life" and the triple-shield Mayo logo are trademarks of Mayo Foundation for Medical Education and Research.
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