Lymphedema or Edema? Key Signs to Know
Zari Cooper, MOT, OTR/L, CLT-ALM
Swelling in the body can happen for many reasons, but it isn’t all the same. Edema is a general term for excess fluid collecting in tissues- often caused by things like heart, kidney, or vein issues- and can improve when the underlying issue is treated or fluid redistributes with rest and elevation. Lymphedema, by contrast, is a chronic condition caused by dysfunction in the lymphatic system that leads to persistent, protein-rich fluid buildup that doesn’t resolve on its own and can make the affected area feel heavy or firm over time. Understanding the difference between simple swelling and lymphedema, and recognizing early signs, is key to starting appropriate therapy sooner, which can help lessen long-term complications and improve quality of life.
Sign 1: Persistent Leg Swelling
Swelling that does not fully resolve with rest or elevation may indicate lymphedema.
Sign 2: Skin and Tissue Changes
Thickened skin, tightness, or a feeling of heaviness are common signs.
Sign 3: Changes in Clothing or Shoe Fit
One leg fitting differently than the other is a subtle but important indicator.
Why Early Treatment Matters
Without treatment, lymphedema can progress to fibrosis, mobility limitations, and increased infection risk. Effective management typically includes Complete Decongestive Therapy (CDT)—a combination of manual lymphatic drainage, therapeutic exercises, meticulous skin care, and compression bandaging or custom garments to reduce swelling and support lymph flow long-term.
Have you noticed persistent swelling or skin changes in your legs? Reach out to schedule a lymphedema evaluation.
Keywords: lymphedema, leg swelling, lymphatic system, certified lymphedema therapist, edema
Sources:
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Executive Committee of the International Society of Lymphology. (2020). The diagnosis and treatment of peripheral lymphedema: 2020 consensus document of the International Society of Lymphology. Lymphology, 53(1), 3–19.
https://pubmed.ncbi.nlm.nih.gov/32521126/
Mayo Clinic. (2018). Lymphedema: Diagnosis and treatment.
National Lymphedema Network. (n.d.). Position papers.
https://lymphnet.org/page/position‑papers
Rockson, S. G. (2001). Lymphedema. The American Journal of Medicine, 110(4), 288–295.
https://doi.org/10.1016/S0002-9343(00)00727-0
Vein Therapy News. (2024). The difference between lymphedema vs. edema.
https://www.veintherapynews.com/lymphedema-edema-difference/