# ATCvet code QJ51

ATCvet code QJ51 Antibacterials for intramammary use is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products for veterinary use. Subgroup QJ51 is part of the anatomical group QJ Antiinfectives for systemic use.
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.

## QJ51A Tetracyclines for intramammary use
### QJ51AA Tetracyclines

    QJ51AA03 Chlortetracycline
    QJ51AA06 Oxytetracycline
    QJ51AA07 Tetracycline
    QJ51AA53 Chlortetracycline, combinations

## QJ51B Amphenicols for intramammary use
### QJ51BA Amphenicols

    QJ51BA01 Chloramphenicol
    QJ51BA02 Thiamphenicol
    QJ51BA90 Florfenicol

## QJ51C Beta-lactam antibacterials, penicillins, for intramammary use
### QJ51CA Penicillins with extended spectrum

    QJ51CA01 Ampicillin
    QJ51CA51 Ampicillin, combinations

### QJ51CE Beta-lactamase sensitive penicillins

    QJ51CE01 Benzylpenicillin
    QJ51CE09 Procaine penicillin
    QJ51CE59 Procaine penicillin, combinations
    QJ51CE90 Phenetamate

### QJ51CF Beta-lactamase resistant penicillins

    QJ51CF01 Dicloxacillin
    QJ51CF02 Cloxacillin
    QJ51CF03 Meticillin
    QJ51CF04 Oxacillin
    QJ51CF05 Flucloxacillin

### QJ51CR Combinations of pencillins and/or beta-lactamase inhibitors

    QJ51CR01 Ampicillin and enzyme inhibitor
    QJ51CR02 Amoxicillin and enzyme inhibitor
    QJ51CR50 Combinations of penicillins

## QJ51D Other beta-lactam antibacterials for intramammary use
### QJ51DB First-generation cephalosporins

    QJ51DB01 Cefalexin
    QJ51DB04 Cefazolin
    QJ51DB08 Cefapirin
    QJ51DB10 Cefacetrile
    QJ51DB90 Cefalonium

### QJ51DC Second-generation cephalosporins

    QJ51DC02 Cefuroxime

### QJ51DD Third-generation cephalosporins

    QJ51DD12 Cefoperazone
    QJ51DD90 Ceftiofur

### QJ51DE Fourth-generation cephalosporins

    QJ51DE90 Cefquinome

## QJ51E sulfonamides and trimethoprim for intramammary use
### QJ51EA Trimethoprim and derivatives

    QJ51EA01 Trimethoprim

## QJ51F Macrolides and lincosamides for intramammary use
### QJ51FA Macrolides

    QJ51FA01 Erythromycin
    QJ51FA02 Spiramycin
    QJ51FA90 Tylosin

### QJ51FF Lincosamides

    QJ51FF90 Pirlimycin
    QJ51FF02 Lincomycin

## QJ51G Aminoglycoside antibacterials for intramammary use
### QJ51GA Streptomycins

    QJ51GA90 Dihydrostreptomycin

### QJ51GB Other aminoglycosides

    QJ51GB03 Gentamicin
    QJ51GB90 Apramycin

## QJ51R Combination of antibacterials for intramammary use
### QJ51RA Tetracyclines, combinations with other antibacterials

    QJ51RA01 Chlortetracycline, combinations with other antibacterials

### QJ51RB Amphenicols, combinations with other antibacterials

    QJ51RB01 Chloramphenicol, combinations with other antibacterials

### QJ51RC Beta-lactam antibacterials, penicillins, combinations with other antibacterials

    QJ51RC04 Procaine penicillin, dihydrostreptomycin, sulfadimidin
    QJ51RC20 Ampicillin, combinations with other antibacterials
    QJ51RC21 Pivampicillin, combinations with other antibacterials
    QJ51RC22 Benzylpenicillin, combinations with other antibacterials
    QJ51RC23 Procaine penicillin, combinations with other antibacterials
    QJ51RC24 Benzathine benzylpenicillin, combinations with other antibacterials
    QJ51RC25 Penethamate hydroiodide, combinations with other antibacterials
    QJ51RC26 Cloxacillin, combinations with other antibacterials

### QJ51RD Other beta-lactam antibacterials, combinations with other antibacterials

    QJ51RD01 Cefalexin, combinations with other antibacterials
    QJ51RD34 Cefacetrile, combinations with other antibacterials

### QJ51RE Sulfonamides and trimethoprim including derivatives

    QJ51RE01 Sulfadiazine and trimethoprim

### QJ51RF Macrolides and lincosamides, combinations with other antibacterials

    QJ51RF01 Spiramycin, combinations with other antibacterials
    QJ51RF02 Erythromycin, combinations with other antibacterials
    QJ51RF03 Lincomycin, combinations with other antibacterials

### QJ51RG Aminoglycoside antibacterials, combinations

    QJ51RG01 Neomycin, combinations with other antibacterials

### QJ51RV Combinations of antibacterials and other substances

    QJ51RV01 Antibacterials and corticosteroids
    QJ51RV02 Antibacterials, antimycotics and corticosteroids

## QJ51X Other antibacterials for intramammary use
### QJ51XB Polymyxins

    QJ51XB01 Colistin
    QJ51XB02 Polymyxin B

### QJ51XX Other antibacterials for intramammary use

    QJ51XX01 Rifaximin