Leg Edema

Leg edema is a result of excess interstitial fluid accumulating in one or both legs.

It may affect just the foot and ankle or extend to the thigh and may be slight or dramatic and pitting or nonpitting.

Leg edema may result from venous disorders, trauma, and certain bone and cardiac disorders that disturb normal fluid balance. Prolonged sitting, standing, or immobility may cause edema. This pitting edema usually affects the foot and disappears with rest and leg elevation. Increased venous pressure late in pregnancy may cause ankle edema. Constricting garters or pantyhose may mechanically cause lower-extremity edema.

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