Table 3.

Physician antibiotic changes for patients prescribed antibiotics.

Positive PCN Skin Test Result	First Antibiotic Choice	Cost for Dosing Regimen ($)	Alternative Antibiotic Choice	Cost for Dosing Regimen ($)
No	Penicillin V potassium	16.80	Erythromycin	7.56
No	Amoxicillin	25.20	Azithromycin	47.00
No	Benzathine penicillin G	5.90	Azithromycin	47.00
No	Ampicillin/sulbactam	323.68	Ciprofloxacin/metronidazole	463.68
No	Ceftriaxone	101.20	Vancomycin	117.60
No	Penicillin V potassium	24.00	Clindamycin	148.80
No	Cephalexin+trimethoprim/sulfamethoxazole	47.60	Trimethoprim/sulfamethoxazole	5.60
No	Cephalexin+trimethoprim/sulfamethoxazole	68.00	Trimethoprim/sulfamethoxazole	8.00
No	Amoxicillin	12.60	Azithromycin	47.00
No	Benzathine penicillin G	5.90	Clindamycin	104.16
No	Cephalexin+trimethoprim/sulfamethoxazole	47.60	Trimethoprim/sulfamethoxazole	5.60
No	Benzathine penicillin G	5.90	Clindamycin	104.16
No	Cephalexin+/trimethoprim/sulfamethoxazole	47.60	Clindamycin+trimethoprim/sulfamethoxazole	109.76
No	Piperacillin/tazobactam	402.64	Imipenem/cilastatin	932.96
No	Ceftriaxone	2.23	Ciprofloxacin	6.42
No	Penicillin V potassium	24.00	Clindamycin	148.80
No	Cephalexin+trimethoprim/sulfamethoxazole	47.60	Trimethoprim/sulfamethoxazole	8.00
No	Ceftriaxone	70.84	Moxifloxacin	306.25
No	Benzathine penicillin G	5.90	Clindamycin	104.16
No	Ceftriaxone	30.36	Moxifloxacin	131.25
No	Cephalexin+trimethoprim/sulfamethoxazole	47.60	Clindamycin+trimethoprim/sulfamethoxazole	109.76
Yes	Ceftriaxone	30.36	Moxifloxacin	131.25
Yes	Cephalexin+trimethoprim/sulfamethoxazole	47.60	Clindamycin+trimethoprim/sulfamethoxazole	109.76
Yes	Cephalexin+trimethoprim/sulfamethoxazole	68.00	Clindamycin+trimethoprim/sulfamethoxazole	156.80
Yes	Benzathine penicillin G	5.90	Clindamycin	104.16
Yes	Penicillin V potassium	24.00	Azithromycin	47.00
Yes	Ceftriaxone	2.23	Ciprofloxacin	6.42
Yes	Cephalexin+trimethoprim/sulfamethoxazole	68.00	Clindamycin+trimethoprim/sulfamethoxazole	156.80

PCN, Penicillin.