Flare up reaction during provocation test to glatiramer acetate in a patient with allergy to interferon beta1a. Minciullo PL, Calapai G, Gangemi S Allergy Asthma Immunol Res. 2014 Sep; 6(5):467-9. Epub 2014 Feb 07. PMID: 25229006. Abstract CommentRecommendBookmarkWatch