Today i'll present a brief description about an entity called ' drug-induced-lupus '.Certain drugs,most notorious of them being anti-arrythmic drugs like procainamide,propafenone,disopyramide,antihypertensives like hydralazine etc.This condition usually presents with fever,lethargy,arthralgia[joint pain],arthritis,myositis etc.Drug-induced lupus is usually positive for ANA and negative for anti-dsDNA.ANA becomes positive even before the...
