5 doctors weighed in:

What is the cause of lupus?

5 doctors weighed in
Dr. Alfred Kim
Internal Medicine - Rheumatology
2 doctors agree

In brief: Genes, environment

This answer will change as we know more about lupus.
We believe that for a person to get lupus, from the limited genetic information we have now, about 10% is from known genetic causes and remaining 90% unknown genetic causes and environmental causes. Environmental causes are largely undefined but important. Think about this: only 30% of identical twins develop lupus together.

In brief: Genes, environment

This answer will change as we know more about lupus.
We believe that for a person to get lupus, from the limited genetic information we have now, about 10% is from known genetic causes and remaining 90% unknown genetic causes and environmental causes. Environmental causes are largely undefined but important. Think about this: only 30% of identical twins develop lupus together.
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Dr. Ahmad M Hadied
Orthopedic Surgery
2 doctors agree

In brief: Most likely unknown

It's likely that lupus results from a combination of your genetics and your environment.
It appears that people with an inherited predisposition for lupus may develop the disease when they come into contact with something in the environment that can trigger lupus. The cause for lupus in most cases, however, is unknown. Some potential triggers include: sunlight.Medication, antibiotic blood pressure?

In brief: Most likely unknown

It's likely that lupus results from a combination of your genetics and your environment.
It appears that people with an inherited predisposition for lupus may develop the disease when they come into contact with something in the environment that can trigger lupus. The cause for lupus in most cases, however, is unknown. Some potential triggers include: sunlight.Medication, antibiotic blood pressure?
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