Is lupus infectious or contagious?  

Neither. Systemic lupus erythematosus is an autoimmune disease in other words your immune cells are causing inflammation in your your tissues and organs. It is not contagious but does occur in families related to genes but you do not catch it from another individual like you would a cold or influenza.
No. Sle (lupus) is an auto-immune disorder in which a person's immune system is reacting strongly against parts of his own body. Sle is not infectious and not contagious. It is believed to be partly genetic or familial (some people may be genetically more likely to get sle) and partly environmental (something happens in a person's life that sets off the auto-immune reaction).

Related Questions

Is lupus contagious?

No. While the absolute cause of lupus is unknown, likely a combination of a genertic predisposition to develop autoimmune disease and some environmental trigger. It is not contagious. Read more...

Is systemic lupus erythematous contagious?

No. It is an autoimmune disease in which your body produces antibodies against your own body cells leading to organ damages if left untreated. It is not contagious. Read more...

Could it be lupus erythematosus contagious when your partner have sexual contact?

Absolutely not. Systemic lupus erythematosus is an autoimmune disease that is not caused by any infectious agent. You can't catch it from someone else. People with lupus have their own white blood cells attack their own body. If you somehow transferred their white blood cells into you, your body would recognize them as foreign and destroy them immediately. Read more...

Could it be lupus erythematosus contagious when you have sexual contact with your partner?

Absolutely not. Systemic lupus erythematosus is an autoimmune disease that is not caused by any infectious agent. You can't catch it from someone else. People with lupus have their own white blood cells attack their own body. If you somehow transferred their white blood cells into you, your body would recognize them as foreign and destroy them immediately. Read more...