Chronic persistent hepatitis is mild liver inflammation (swelling and irritation) that may be caused by various viruses and conditions.
Chronic persistent hepatitis can be caused by hepatitis B (HBV), hepatitis C (HCV), hepatitis D (HDV), autoimmune diseases such as lupus, various medications, and unknown (cryptogenic) causes. Most people have no symptoms.
Risk factors include previous viral hepatitis, having lupus or other autoimmune disease, and taking certain medications.