“…Erythromycin (n = 1), clarithromycin (n = 2), and azithromycin (n = 1) have been implicated in leukocytoclastic vasculitis [60,79,84,113]. Fourteen publications implicated a macrolide as the cause of an allergic reaction with subjects who received concomitant antimicrobials [25,41,44,45,46,58,76,78,90,101,102,105,119,131]. The most common concomitant agents were an aminoglycoside (n = 3), a beta-lactam (n = 3), and a sulfa (n = 4) [41,44,45,46,78,90,101,102,119,131].…”