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Water retention: understand swelling and find the right resources

Swollen-feeling legs, ankles, abdomen or hands: “water retention” can describe very different situations. This page brings together Eclipse’s most useful resources to help you understand these sensations, identify appropriate everyday measures and know when medical advice is needed.

Understand

Understanding water retention without overlooking true edema

In everyday language, water retention often describes a feeling of swelling, heaviness or tighter-fitting clothes. The medical term “edema” refers to fluid accumulating in the tissues. This distinction matters because swelling can be temporary and linked to heat, prolonged immobility or hormonal changes, but it can also be associated with venous, lymphatic, heart, kidney or liver conditions, or with medication side effects.

When both legs gradually feel more swollen toward the end of the day and improve with movement or rest, simple habits may support comfort: walking regularly, avoiding long periods of immobility, elevating the legs when comfortable and staying appropriately hydrated. Severely restricting fluids or taking diuretics without medical advice is not an appropriate response.

Pneumatic compression may be included in a wellness routine when used at a comfortable pressure and when no contraindication is present. It can support a feeling of drainage and lighter legs, but it does not treat the underlying cause of edema and should never delay medical care. Sudden, painful, red or hot swelling, swelling affecting only one limb, or swelling associated with shortness of breath requires prompt medical assessment.

“Water retention” describes a sensation, not a diagnosis

In everyday language, the expression describes a body that feels or looks more swollen or heavy. In medicine, swelling caused by fluid accumulating in the tissues is called edema, and its cause can vary considerably from one person to another.

Heat, immobility and hormones can affect how you feel

A long day sitting or standing, travel, heat or certain hormonal phases can increase temporary swelling. Persistent, pronounced or unusual symptoms should nevertheless be assessed.

Sudden or one-sided swelling is a warning sign

Rapid swelling in one leg, a red, hot or painful area, shortness of breath or feeling unwell should not be treated as simple water retention. Seek medical advice promptly in this situation.

To understand it better

Eclipse guides to explore

Start with the basics of lymphatic drainage, then explore heavy legs and pneumatic compression according to your symptoms.

The reference guide

Start here

The lymphatic drainage guide

Understand the role of the lymphatic system, fluid circulation, the differences between manual lymphatic drainage and pneumatic compression, and the essential precautions.

Read the drainage guide

The heavy legs and circulation guide

Heat, prolonged standing, a sedentary lifestyle, venous discomfort and swollen ankles: useful guidance for distinguishing common situations from symptoms that warrant medical advice.

Explore the guide

The complete guide to pneumatic compression therapy

How it works, pressure, frequency, programs and contraindications: the essential information before adding pneumatic compression to a comfort-focused routine.

Explore the guide

Read

Our articles on water retention

Heat, swelling, hormones, drainage and pneumatic compression: explore Eclipse content directly related to water-retention concerns.

View all articles

Discover Eclipse solutions

Find a routine suited to swelling concerns

Discover Eclipse solutions designed to support drainage, leg comfort and a lighter feeling at home. Persistent, unusual or painful swelling should be assessed before use.

Our solutions for water-retention concerns

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THEY SAY IT BETTER THAN WE DO.

Véronique

Pneumatic compression really helps me: less discomfort, better-feeling circulation and lighter legs. It has become my evening wellbeing ritual.

Audrey

After my two pregnancies, Eclipse helped me reduce the feeling of water retention and improve the appearance of my cellulite. My legs and waist feel more toned again.

Léonore

A genuinely high-quality product. The 8 air chambers massage from the feet all the way up to the waist, and the sensation is impressive. You can really feel the pressu...

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