My grandmother had difficulty walking because her feet were very swollen, likely due to poor circulation.

Swollen feet and difficulty walking in an older adult can have many possible causes, and poor circulation is only one of them.

Some common causes include:

  • Venous insufficiency (veins in the legs have trouble returning blood to the heart), which can cause swelling in the feet and ankles.
  • Heart failure, which may lead to fluid buildup in the legs and feet.
  • Kidney disease or liver disease, which can cause the body to retain fluid.
  • Lymphedema, a buildup of lymph fluid that causes swelling.
  • Certain medications, such as some blood pressure medicines, steroids, or anti-inflammatory drugs.
  • Blood clots, infections, injuries, or inflammatory conditions.

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