Hello doctor, I had SLE with more than complication (IPF,aortic atherosclerosis ,epilepsy,Rheumatoid Arthritis ...etc) but my big problem is pain all over my body ,the more painful is chest pain due to pericarditis and pulmonary fibrosis ,my life so difficult ,I leave my work((pediatrician ) I can t live with sever continued pain ,what drug can stop that pain?