• nephrotic syndrome
• proteinuria
• relapse

Despite the occurrence of relapses, steroid sensitive nephrotic syndrome (SSNS) has a good long term prognosis. As it often heralds a clinical relapse, significant proteinuria (+++ or more on albustix) for ⩾3 consecutive days (simplified as P3D in this letter) defines a relapse, resulting in steroid therapy before the onset of oedema. Proteinuria may be triggered by viral infections¹ and does not always develop into a relapse.²

We have observed 24 consecutive episodes of asymptomatic P3D, without …