Cat · Felis catus · typical adult weight 2.50–7.00 kg
Sulfasalazine is used in cat for Colitis, Inflammatory bowel disease / colitis. Routes documented in cat: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Sulfasalazine in cat, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Azulfidine
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Cleaved by colonic bacteria to 5-aminosalicylic acid (mesalamine) and sulfapyridine. 5-ASA acts locally to reduce colonic inflammation.
Used for colitis in dogs. KCS (dry eye) risk — monitor Schirmer tear test. Cats: salicylate sensitivity. Folate supplementation recommended. GI upset.
Species-specific contraindications and adverse-reaction reports for cat may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Sulfasalazine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cat — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.