What Is Hemophagocytic Lymphohistiocytosis (HLH)?

HLH can be challenging to diagnose because the initial symptoms may mimic other problems such as common infections. Signs and symptoms of HLH may include: Persistent fevers; Rash; Enlarged liver; Enlarged spleen; Enlarged lymph nodes; Anemia; Low platelets; Low white blood cells; Jaundice; Hepatitis; Liver failure; Respiratory issues (coughing, respiratory distress)

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