 [ Symptoms ] i had swelling in feet ankles and legs low hemoglobin now swelling again [ Disease ] hi low hemoglobin levels lead to raised esr more fluid in your blood this keeps on accumulating in the dependant parts of your body in the form of subcutaneous oedema continue taking iron supplements till hb levels reach 12 13 gms keep legs elevated hypoproteinemia also can be a cause to rule this out check albumin and globulin with ag ratio thanks