LAIM Antibiotics

Question 1

Oxytetracycline dose

Answer 1

Biomycin, LA200, Noromycin-300, etc.
Equine: 6.6 mg/kg IV q12-24h

Farm:
(LA200) - 20 mg/kg IM, IV, or SQ q48-72h

(LA300) - 30 mg/kg IM, SQ once (or q72h)

Question 2

Doxycycline dose

Answer 2

Equine: 10 mg/kg PO q12h

Question 3

Minocycline dose

Answer 3

Equine: 4 mg/kg PO q12h

Question 4

Chloramphenicol dose

Answer 4

50-100 mg/kg PO q6-12h

Question 5

Enrofloxacin dose

Answer 5

Baytril
Equine:
5.5 to 6 mg/kg IV q24h
7.5 mg/kg PO q24h
4 mg/kg PO q12h

Question 6

SMZ/SDZ -TMP dose

Answer 6

Equine:
20-30 mg/kg PO q12h

(Equisul)
24 mg/kg PO q12h

Question 7

Metronidazole dose

Answer 7

Equine:
15-25 mg/kg PO q6-12h
25-62 mg/kg PR q6-12h

Question 8

Procaine Pen G dose

Answer 8

PPG
Equine:
22,000-44,000 IU/kg IM q12h

(labeled dose - 6,600 IU/kg)

Question 9

Potassium Pen G dose

Answer 9

Kpen

22,000-44,000 IU/kg IV q6h

Question 10

Ampicillin dose

Answer 10

20 mg/kg IV or IM q6-8h

Question 11

Cefazolin dose

Answer 11

Equine:

11-20 mg/kg IV q6-8h

Question 12

Ceftiofur Sodium

Answer 12

Naxcel
Equine:
2.2 to 4.4 mg/kg IV or IM q12-24h
Foals:
5 to 10 mg/kg IV q6-12h

Question 13

Ceftiofur Cyrstalline Free Acid

Answer 13

Excede
Equine:
6.6 mg/kg IM q96h for 2 doses then q7days

Farm:
6.6 mg/kg SQ at base of ear q72h (label says one dose)

Question 14

Gentamicin

Answer 14

Equine:

6.6 mg/kg IV or IM q24h

Question 15

Amikacin

Answer 15

Equine:
10-15 mg/kg IV or IM q24h

Foals:
25 mg/kg IV q24h

Question 16

Tetracyclines Coverage

Answer 16

G+ and G-aerobes, intracellulars, some anaerobes

Question 17

Chloramphenicol coverage

Answer 17

G+ & G- aerobes and anerobes

Question 18

Enrofloxacin Coverage

Answer 18

G- aerobes some Staphylococcus

Pseudomonas

Question 19

SMZ/SDZ - TMP Coverage

Answer 19

G+ & G- aerobes

Question 20

Metronidazole Coverage

Answer 20

G+ & G- anaerobes

Protozoa

Question 21

Procaine Pen G/Potassium Pen G Coverage

Answer 21

G+ Aerobes and anaerobes

Question 22

Ampicillin sodium coverage

Answer 22

G+ aerobes and anaerobes and some G-

Question 23

Imipenem coverage

Answer 23

Broad Spectrum including Pseudomonas

Question 24

Aminoglycoside coverage (Gent and Amikacin)

Answer 24

G- aerobes (esp enterbacteriacea and pseudomonas)

Some G+ aerobes (esp staphylococci)

Question 25

Glycopeptide coverage (Vancomycin)

Answer 25

G+ only

Question 26

Tetracycline resistance

Answer 26

Proteus or Pseudomonas spp. Variable against Clostridium Many pathogenic E. coli

Question 27

Chloramphenicol resistance

Answer 27

Mycobacteria, Nocardia, Rhodococcus, Pseudomonas | +/- enterobacters

Question 28

Enrofloxacin resistance

Answer 28

Anaerobes Enterococcus spp. B-Strep

Question 29

SMZ/SDZ - TMP resistance

Answer 29

``` Pseudomonas Mycoplasma Leptospira Eysipelothrix Klebsiella ``` Most anerobes except Clostridia

Question 30

Metronidazole resistance

Answer 30

Aerobes | Some Clostridium

Question 31

Penicillin resistance

Answer 31

B-lactamase-producing Staph a-Streptococcus spp. Rhodococcus equi

Question 32

Ampicillin resistance

Answer 32

Staphylococcus

Question 33

Cefazolin resistance

Answer 33

Rhodococcus equi Enterococcus spp. Pseudomonas

Question 34

Ceftiofur Resistance

Answer 34

Enterococcus spp. | Pseudomonas

Question 35

Ceftiofur coverage

Answer 35

Primarily G- (esp Enterobacteriacea) Some G+

Question 36

Aminoglycoside resistance (gent/amikacin)

Answer 36

Anaerobes

Question 37

Static Antibiotics

Answer 37

Tetracyclines Chloramphenicol Sulfas alone Trimethoprim alone

Question 38

Cidal Antiobiotics

Answer 38

``` Enrofloxacin Trimethoprim-Sulfas Metronidazole Beta-lactams Aminoglycosides ```

Question 39

Time Dependent Abx

Answer 39

Tetracyclines Chloramphenicol Trimethoprim-Sulfas Beta-lactams

Question 40

Concentration Dependent Abx

Answer 40

Enrofloxacin Metronidazole Aminoglycosides