Lupus is an autoimmune disease that is very difficult to diagnose because of its myriad symptoms. Each lupus patient is treated differently according to appearance of symptoms and symptom severity. Here are some of the many signs and symptoms of lupus that doctors use to help establish if a patient has lupus or not, according to the Lupus Research Alliance. A person needs to have least four of the symptoms to be diagnosed with lupus.
A red rash spreading across the cheeks and over the bridge of the nose, usually shaped like a butterfly.