Lupus nephritis is a type of kidney disease caused when lupus - a systemic autoimmune disease - attacks your kidneys.
Approximately half of adults with lupus will get kidney damage from their condition. Lupus nephritis can ultimately lead to kidney failure.
Symptoms of lupus nephritis include:
- Swelling in your legs, feet, or ankles
- Foamy urine
- High blood pressure
- Joint pain
- Fever
- Muscle pain
- Rash