Systemic lupus erythematosus is contagious.

Systemic lupus erythematosus should not be contagious. Lupus is an autoimmune disease, mainly caused by long-term use of certain estrogen drugs, but also may be caused by viral infection. In the early stage, patients will show signs of limb weakness, appetite loss, weight loss, fever, etc., can be treated under the guidance of a doctor through oral non-steroidal anti-inflammatory drugs. During the recovery period, the diet must prevent spicy and irritating foods.