NSAIDS or Aspirin: first line treatment (in absence of contraindications) for viral or idiopathic<unk> .
Aspirin 650mg every 6 hours for 7 to 10 days, followed by tapering during a period of 3 to 4 weeks  OR
Ibuprofen 600mg every 8 hours for 7 to 10 days, followed by tapering during a period of 3 to 4 weeks
Colchicine add to NSAIDs as first line treatment for viral/idiopathic acute and recurrent<unk>  to improve remission rates and prevent recurrence.
Patients >70kg - 0.6mg PO BID x 3 months
Patients<70kg - 0.6mg PO Daily x 3 months
Glucocorticoid therapy second line agent for viral/idiopathic<unk> , can consider low-moderate doses for patients with contraindications to NSAIDs or persistent symptoms despite appropriate therapy with NSAIDs + colchicine for at least 1 week.  Also used for etiologies that are steroid responsive diseases.
Prednisone 0.2 to 0.5mg/kg of body weight per day for 2 weeks with gradual tapering
Aspirin 650mg every 6 hours for 7 to 10 days, followed by tapering during a period of 3 to 4 weeks  OR
Ibuprofen 600mg every 8 hours for 7 to 10 days, followed by tapering during a period of 3 to 4 weeks
Patients >70kg - 0.6mg PO BID x 3 months
Patients<70kg - 0.6mg PO Daily x 3 months
Prednisone 0.2 to 0.5mg/kg of body weight per day for 2 weeks with gradual tapering
For recurrent or refractory cases consider colchicine and or steroids although literature suggests it can be used as first line
Colchicine
Patients >70kg - 0.6mg PO BID x 6 months
Patients<70kg - 0.6mg PO Daily x 6 months
If patients develop serious diarrhea decrease their dosing to the next weight class or stop treatment.
Patients >70kg - 0.6mg PO BID x 6 months
Patients<70kg - 0.6mg PO Daily x 6 months
If patients develop serious diarrhea decrease their dosing to the next weight class or stop treatment.
Tuberculous
Neoplastic<unk> 
Liver disease or aminotransferase levels ≥1.5x upper limits of normal
Creatinine >2.5mg/dL (>221 umol/L)
Myopathy or CK > upper limits of normal
Inflammatory bowel disease
Life expectancy ≤18 months
Pregnancy or lactation
The definitive treatment is dialysis
Tamponade requires  pericardiocentesis
Pericarditis
Cardiac
Constrictive pericarditis
ST-segment elevation myocardial infarction 
Myocarditis 
Post-MI 
Myocarditis
Previous MI with recurrent ischemia in same area