Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Doxazosin is used in dog for Functional urethral obstruction. Routes documented in dog: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Doxazosin in dog, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Cardura
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5–2 mg per dog | q12-24h | Variable | Functional urethral obstruction | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
Need the exact dose for your patient?
These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Selective alpha-1 adrenergic antagonist relaxing smooth muscle in bladder neck and proximal urethra. Reduces urethral resistance.
Used for functional urethral obstruction and urethral spasm. First-dose hypotension — start low. Longer acting than prazosin.
Species-specific contraindications and adverse-reaction reports for dog may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Doxazosin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dog — 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.