Penicillin Ordered

• Contact prescriber for alternative or desensitization/challenge if PCN is necessary for treatment

Cephalosporin Ordered

• May use cephalosporin

• Amoxicillin 6
• Cefaclor 6/7
• Cefadroxil 6/7
• Cefprozil 6/7
• Cephalexin 6/7

• Amoxicillin 6/7
• Ampicillin 6/7
• Cefadroxil 7
• Cefprozil 7
• Cephalexin 7

• Amoxicillin 6/7
• Ampicillin 6/7
• Cefaclor 7
• Cefprozil 7
• Cephalexin 3,7

• Cefixime 3

• Cefotaxime 7
• Cefpodoxime 7
• Ceftizoxime 7
• Ceftriaxone 7

• Cefdinir 3

• Cefepime 7
• Cefpodoxime 7
• Ceftizoxime 7
• Ceftriaxone 7

• No side chain similarities reported

• Cefuroxime 3
• Penicillin G 6/7

• Cefepime 7
• Cefotaxime 7
• Ceftizoxime 7
• Ceftriaxone 7

• Amoxicillin 6/7
• Ampicillin 6/7
• Cefaclor 7
• Cefadroxil 7
• Cephalexin 7

• Aztreonam

• Ceftizoxime 3

• Cefepime 7
• Cefotaxime 7
• Cefpodoxime 7
• Ceftibuten 3
• Ceftriaxone 7

• Cefepime 7
• Cefotaxime 7
• Cefpodoxime 7
• Ceftizoxime 7

• Cefoxitin 3

• Amoxicillin 6/7
• Ampicillin 6/7
• Cefaclor 7
• Cefadroxil 3,7
• Cefprozil 7