4 Potential Reasons Why Hands and Fingers Swell When Walking or Running

Summary: Have you ever noticed your hands getting puffy after a long walk or run? It is a very common issue, and there are four main reasons why it happens. First, swinging your arms can push fluid down into your fingers. Second, when you get hot, your body sends blood to your skin to cool off, which can cause fluid to build up. Third, your body changes its blood flow to help your heart and lungs work harder, causing the blood vessels in your hands to widen and swell. Finally, drinking too much plain water can lead to low sodium (called hyponatremia). This is a medical emergency that is mostly seen in extreme athletes. To fix puffy hands, try taking off your rings before you exercise, do some arm circles, or drink a sports drink!

For more details, see verywellhealth at verywellhealth.com/fingers-swell-when-walking-8714355 (opens in new tab)