Which inflammatory diseases cause pericarditis?

Many causes: Most common is viral pericarditis, but kidney failure, lupus, tuberculosis, some medications like Hydralazine and chemo drug bleomycin can cause pericarditis.

Varied: Lupus, rheumatoid arthritis and scleroderma, can cause pericarditis. Kidney failure (uremic pericarditis), tumors, genetic diseases such as familial mediterranean fever, or rarely, medications that suppress the immune system can also be the cause. In a number of cases of pericarditis, the cause is unknown. This is referred to as idiopathic pericarditis.