Infections

• Bacterial infections (for example, with streptococcus, staphylococcus, or pneumococcus)

• Fungal infections

• Parasitic infections (for example, malaria)

• Viral infections (for example, hepatitis B and hepatitis C or HIV infections)

Vasculitis (blood vessel inflammation)

• Cryoglobulinemia

• Eosinophilic granulomatosis with polyangiitis

• Granulomatosis with polyangiitis

• Microscopic polyangiitis

Immune disorders

• Goodpasture syndrome

• Systemic lupus erythematosus (lupus)

Other causes

• Hereditary nephritis