Fig. 1From: Record of strep throat infections in Italy: what is needed to know about penicillin allergy? The point of view from the Italian Society of Pediatric Allergy and Immunology (SIAIP)A practical approach to manage children with GAS infection and suspected penicillin hypersensitivity*The rate of cross-reactivity between penicillin and cephalosporin varied with the degree of similarity between R1 side chains, such risk is about 2.1% for cefuroxime axetil. RST: Rapid Strep Test, STs: Skin Tests STs, DPT: Drug Provocation TestBack to article page