Equine · Equus caballus · typical adult weight 350.00–700.00 kg
Doxycycline is used in horse for Lyme disease, intracellular infections, Lyme disease, Lawsonia intracellularis, respiratory. Routes documented in horse: PO. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 2 cited dose rules for Doxycycline in horse, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Vibramycin
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These ranges are per kg. Enter your horse's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits protein synthesis by binding to 30S ribosomal subunit, preventing aminoacyl-tRNA attachment.
Can cause esophageal strictures in cats if not followed by water. Photosensitivity. Avoid in pregnant animals (tooth discoloration in fetus).
Species-specific contraindications and adverse-reaction reports for horse may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Doxycycline pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in horse — 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.