Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Tamsulosin is dosed at 0.1–0.5 mg per dog PO q24h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Tamsulosin is used in dogs for Ureteral stone passage facilitation. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Tamsulosin in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Flomax
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.1–0.5 mg per dog | q24h | Variable | Ureteral stone passage facilitation | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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Selective alpha-1A adrenergic antagonist targeting receptors in prostate and bladder neck smooth muscle. Uroselective with less vascular effects.
Limited veterinary data. More uroselective than prazosin (less hypotension). May facilitate ureteral stone passage. GI upset possible.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Tamsulosin dose range in dogs, with cited source references: PO 0.1–0.5 mg per dog q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Tamsulosin in dogs: PO.
Cited course lengths for Tamsulosin in dogs include: Variable. Duration depends on the indication — match it to the specific dose rule in the table above.
Tamsulosin is indicated in dogs for: Ureteral stone passage facilitation.
These are general warnings for Tamsulosin across species; consult the dog dosing table above for species-specific guidance. Limited veterinary data. More uroselective than prazosin (less hypotension). May facilitate ureteral stone passage. GI upset possible.
Why a species-specific page? Tamsulosin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — 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.