The drug allergy case today. Quinolone antibiotics have cross reactivities among their own groups with similar side chains. We don’t advise prescribing another quinolone before a negative drug provocation test in patients with no other alternatives. There are numerous cases of patients with Ciprofloxacine hypersensitivity who reacts to other quinolones, Fluoroquinolones, Levofloxacine, Moxifloxacine, Ofloxacine.