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