Table 1.

Conditions and drugs associated with membranous nephropathy (secondary forms).

	Common	Uncommon
Immune diseases	Systemic lupus erythematosus	Rheumatoid arthritis, Hashimoto thyroiditis, Sjögren's syndrome, psoriasis, sarcoidosis, mixed connective tissue disease, IgG4‐related disease
Infections	Hepatitis B virus	Hepatitis C virus, streptococcal infection, malaria, Schistosomiasis, syphilis, leprosy
Drugs and toxins	Non‐steroidal anti‐inflammatory drugs (NSAIDs), gold, penicillamine	Captopril, clopidogrel, mercury
Tumours	Cancers (bladder, breast, pancreas, prostate, stomach, lung)	Lymphomas, chronic lymphocytic leukaemia
Miscellaneous	Diabetes mellitus, renal transplantation	Sickle cell disease, haematopoietic stem cells transplantation