Is left arm swelling more prevalent in certain age groups?

Swelling in the arm isn’t limited to one age group, but certain factors can make it more likely in older individuals, such as:

Circulatory changes: Aging can affect blood flow and lymphatic drainage, making swelling more likely. Chronic conditions: Conditions like heart failure, kidney disease, or arthritis are more common with age and can lead to swelling. History of surgery or cancer treatment: Older adults who have had lymph nodes removed (such as after breast cancer surgery) may be more prone to lymphedema in the arm. Medications: Some medications more commonly prescribed to older adults may cause fluid retention or swelling as a side effect.

While left arm swelling can happen at any age, persistent or unexplained swelling should always be evaluated by a healthcare provider, especially if it’s new, painful, or accompanied by other symptoms.