Have been in pain for 3 days now, struggling to walk, dress etc.... limping like mad. Out of hours GP said it was an SLE flare up and I should get used to it (marvellous! she managed to diagnose this without asking me any questions or even examining me! THis was once she knew I had SLE). My GP however, reviewed my SLE symptoms and meds, and then on thorough exam diagnosed sciatica.