Anti-neutrophil cytoplasmic antibodies
More common causes
Rheumatoid arthritis
Ulcerative colitis
Less common causes
Crohn's disease
Infective endocarditis
Systemic lupus erythematosus
Primary sclerosing cholangitis
Eosinophilic granulomatosis with polyangiitis
Microscopic polyangiitis
Granulomatosis with polyangiitis
Anti-glomerular basement membrane disease
Uncommon causes
Drug-induced ANCA vasculitis
Pharmacological causes
Allopurinol
Hydralazine hydrochloride
Minocycline hydrochloride
Minocycline hydrochloride ER
Penicillamine
Phenytoin sodium
Phenytoin sodium ER
Sulfasalazine
Sulfasalazine DR