Lupus Warning Signs: How to Recognize and Manage This Elusive Autoimmune Disease

11. Unexplained Weight Changes

Sudden weight loss or gain can be another lupus symptom. While weight loss may stem from decreased appetite or digestive issues, weight gain is often linked to fluid retention caused by kidney problems or medication side effects.

What to watch for: If you notice unexpected weight changes without a clear reason, especially alongside fatigue or joint pain, lupus could be influencing your metabolism or organ function.