ExoticRx · exoticrx.com/drugs/quinidine
US brand names:Quinaglute, Quinidex
Quinidine is dosed at 6–20 mg/kg PO q6-8h in dogs, per Papich MG. Saunders Handbook of Veterinary Drugs (Small and Large Animal), Quinidine/Quinidine Sulfate monograph, printed p.701 (corpus PDF p.729). Verify against current literature before clinical use.
Class IA antiarrhythmic that blocks sodium and potassium channels, prolonging action potential duration and effective refractory period.
Proarrhythmic (torsades de pointes risk). GI intolerance common. Monitor ECG and drug levels. Cinchonism at toxic levels.
Species references:All Dog (Domestic) drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 1 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 6–20 mg/kg | q6-8h | Moderate | Papich MG. Saunders Handbook of Veterinary Drugs (Small and Large Animal), Quinidine/Quinidine Sulfate monograph, printed p.701 (corpus PDF p.729) |
Upgrade to Pro or Student to unlock the full dose ranges and frequency for every species. The drug's mechanism, warnings, indications, and cited sources are free to read.
View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.