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This information is provided by
Provet for educational purposes only.
You should seek the advice of your
veterinarian if your pet is ill as only he or she can correctly advise on the
diagnosis and recommend the treatment that is most appropriate for your pet.
Topical antibiotic
preparations suitable for administration on eyes vary in their spectrum of
activity Ophthalmic antibiotics should be selected based upon their
spectrum of activity, and preferably following microbiological culture and
sensitivity testing. The following table lists some of the common antibiotics
and their range of activity :
Organism type |
Antibiotics |
Comments |
Broad spectrum activity - affect gram-positive and
gram-negative organisms |
Aminoglycosides ( gentamicin, tobramycin and neomycin) -NOT
effective against Streptococci.
Tetracycline and Polymyxin B combination.- Some
staphylococci and streptococci resistant
Chloramphenicol - Pseudomonas often resistant
Fluoroquinolones (ciprofloxacin, norfloxacin and ofloxacin)
Gentamicin
Polymyxin B and neomycin and bacitracin
Polymyxin B and neomycin and gramicidin |
Use only as last-line of treatment to prevent
resistant strains emerging. |
Gram-positives only |
Cloxacillin
Erythromycin
Fusidic acid
|
The
veterinary medicinal Fusidic acid should not be used in conjunctivitis
cases associated with Pseudomonas spp
|
Mycoplasma |
Erythromycin
Polymyxin B and oxytetracycline |
|
Chlamydophila |
Erythromycin
Polymyxin B and oxytetracycine Doxycycline
(systemically) for at least 6 weeks -treat all in-contact animals |
|
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BSAVA Scientific Committee recommend :
Bacterial
conjunctivitis:
■
Topical: cloxacillin
OR fusidic acid OR gentamicin.
Suspected
Chlamydophila:
■
Systemic: doxycycline
OR enrofloxacin. Topical fusidic acid may be added if desired.
Updated January 2016
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