Table 2

ATC codes and DDD/100 bed-days of the ten most commonly used antibiotics in the Internal Medicine ward

Name of antibiotic
ATC code
DDD/100 bed-days

Ampicillin
J01CA01
27.5
Amoxicillin
J01CA04
17.5
Metronidazole
J01XD01
10.43
Ciprofloxacin*
J01MA02
3.42, 2.73
Crystalline penicillin
J01CE01
17.88
Gentamicin
J01GB03
5.14
Co-amoxiclav
J01CR02
7.87
Ceftriaxone
J01DA13
4.56
Norfloxacin
J01MA06
0.75
Cloxacillin
J01CF02
3.18

* Two DDDs have been defined one for oral use and the other for parenteral use

Shankar et al. Annals of Clinical Microbiology and Antimicrobials 2003 2:7   doi:10.1186/1476-0711-2-7

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