Inhibits bacterial dihydropteroate synthase (folate synthesis pathway), acting as a competitive PABA antagonist. Bacteriostatic. Active against common ocular pathogens including Staphylococcus, Streptococcus, E. coli, and Chlamydophila.
At a glance
Class
Ophthalmic Sulfonamide Antibiotic
Storage
Store at room temperature; discard if darkened
Dosing
Used for bacterial conjunctivitis and blepharitis
Useful for feline conjunctivitis including Chlamydophila (topical adjunct — syst
Safety
Clinical response at 5–7 daysAllergic reaction signs
Interactions
No documented interactions.
FAQs
Frequently asked questions
›What is Sulfacetamide Ophthalmic?
Sulfacetamide Ophthalmic is a ophthalmic sulfonamide antibiotic used in pets. Inhibits bacterial dihydropteroate synthase (folate synthesis pathway), acting as a competitive PABA antagonist. Bacteriostatic. Active against common ocular pathogens including Staphylococcus, Streptococcus, E. coli, and Chlamydophila.
›What is Sulfacetamide Ophthalmic used for in pets?
Sulfacetamide Ophthalmic is used in veterinary medicine for: Used for bacterial conjunctivitis and blepharitis; Useful for feline conjunctivitis including Chlamydophila (topical adjunct — syst.
›What is the Sulfacetamide Ophthalmic dose for dogs?
For dogs, Sulfacetamide Ophthalmic is typically dosed as follows — Used for bacterial conjunctivitis and blepharitis: undefined undefined Ophthalmic q4–8h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Sulfacetamide Ophthalmic dose for cats?
For cats, Sulfacetamide Ophthalmic is typically dosed as follows — Useful for feline conjunctivitis including Chlamydophila (topical adjunct — syst: undefined undefined Ophthalmic q4–8h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Sulfacetamide Ophthalmic need a prescription?
Yes. Sulfacetamide Ophthalmic is a prescription medication and should only be administered under veterinary supervision.
References
References
Textbooks & handbooks
- Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
- Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
- Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
- National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
- The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/
Clinical guidelines & consensus
- Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
- American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.
Journals & peer-reviewed studies
- Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
- Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
- ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control
Regulatory & approvals
- Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/
Databases
- Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet.
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