Autoimmune Diseases Autoimmune DiseasesAll | A B C D E F G H I J K L M N O P R S T U V W There are currently 6 names in this directory beginning with the letter I.IgA NephropathyIgG4-related sclerosing diseaseImmune thrombocytopenic purpura (ITP)Inclusion body myositis (IBM)Inflammatory Bowel DiseasesInterstitial cystitis (IC)