What it is
Swelling caused by fluid accumulation in tissues — which has many causes from benign gravitational fluid shifts to significant cardiac, renal, or hepatic conditions requiring medical assessment.
Emerging evidence
Edema
Swelling caused by fluid accumulation in tissues — which has many causes from benign gravitational fluid shifts to significant cardiac, renal, or hepatic conditions requiring medical assessment.
CategoryCardiovascular
Reviewed by Internal Medical Editorial Team · Editorial Health Review
26 March 2026
At a glance
Edema at a glance
Commonly experienced as
- Leg swelling affects comfort, mobility, shoe fit, and often self-consciousness. The persistent tight, heavy quality is wearing. Many people normalise bilateral ankle swelling without recognising it may indicate an underlying condition or reversible medication cause.
Evidence context
