Swelling in the ankles in the evening can be a warning sign of…

Nighttime ankle swelling can be a warning sign of health problems that require attention. Understanding the causes and consequences of swelling is essential for overall good health.

1. What is ankle swelling?

Peripheral ankle edema occurs when fluid builds up in the tissues of the leg, causing significant swelling and discomfort. It can affect one or both ankles and often worsens at the end of the day. Mild swelling is common and can be caused by prolonged standing or sitting, especially in hot weather.

2. The scientific explanation

The lymphatic system plays a vital role in draining excess fluid from tissues. When it becomes congested or impaired, fluid builds up and causes swelling. Increased permeability of capillaries (small blood vessels) can also cause fluid to leak into tissues, particularly in cases of inflammation or trauma. Sodium (salt) retention also contributes to water retention.

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