Your mother’s age and one-leg swelling is more important than the
uric acid value right now. A uric acid of 12.4 can suggest gout, but gout usually causes joint pain, not whole-leg swelling.This could be something serious like a blood clot or infection, which needs immediate medical evaluation. Please don’t delay—take her to a hospital. Also, worrying about “excess medication” without even starting proper treatment is not the issue, the real risk is missing a dangerous diagnosis by not consulting a doctor