Waking up with swollen legs or feet can be more than just a minor annoyance — it could be a sign of something serious , or simply the result of standing too long, eating too salty, or sitting for hours .
Known medically as peripheral edema , leg swelling occurs when fluid builds up in the tissues of the lower limbs , causing puffiness, tightness, and discomfort.
While mild swelling is often nothing to worry about, persistent or sudden leg swelling may be a red flag for an underlying condition — and knowing the difference can make all the difference .
Let’s explore the most common causes of swollen legs , how to recognize when it’s serious , and what you can do to find relief naturally or with medical care .
What Is Peripheral Edema?
Peripheral edema refers to the accumulation of fluid in the tissues of the extremities , most commonly in the legs, ankles, and feet . It can affect one or both legs , and may come with visible puffiness, skin stretching, or a feeling of heaviness .
Swelling can be mild and temporary , or chronic and progressive — and the cause determines the treatment .
Common Symptoms of Swollen Legs
If you’re experiencing leg swelling, you may also notice:
- Puffiness in the ankles and feet
- Skin that feels tight or shiny
- Indentations left after pressing on the skin (pitting edema)
- Aching or heaviness in the legs
- Reduced range of motion
- Weight gain or bloating
- Varicose veins or skin discoloration
If swelling is sudden, painful, or accompanied by other symptoms , it may require immediate medical attention .
Common Causes of Leg Swelling
Leg swelling can be caused by a wide range of lifestyle factors, medical conditions, or medications . Here are the most common culprits:
1. Prolonged Sitting or Standing
