Background: Systemic Lupus Erythematosus (SLE) is a chronic auto-immune disease with diverse manifestations, ranging from mild rash or arthritis to severe organ-threatening involvement.Objective: The aim of the work was to find-out the possible association of hypophosphatemia and hyponatremia with disease activity in SLE patients.Patients and methods: A total of 100 patients with SLE were involved...