入冬氣溫變化大，身體的血管遇到冷就容易收縮，而造成血壓上升，這個現象在年長者尤其明顯，千萬不可置之不理。因此，在天冷外出時更應注意保暖；適度運動有助於血管放鬆和促進血液循環，降低血壓；平時已經在服用降血壓藥物的民眾，規律服用藥物更為重要；此外，要養成定期測量血壓的習慣，尤其在血壓不穩定時期，建議可在不同時間點多量測幾次血壓並記錄，提供醫師參考，以有效幫助控制血壓。
以上幾點如果能夠身體力行，就可預防因天氣變化而引起血壓上升。

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