Commonly Used Cardiovascular Drugs and Dosages
Commonly Used Cardiovascular Drugs and Dosages
Drug | Dosage |
|---|---|
Amiodarone | Dog: 8–10 mg/kg, PO, every 12–24 hr for 7–10 days, then reduce to 4–6 mg/kg/day for longterm treatment |
Amlodipine | Dog: 0.1–0.2 mg/kg, PO, bid; or 0.2–0.4 mg/kg/day, PO |
Cat: 0.625–1.25 mg/cat, PO, once to twice daily | |
Aspirin (antiplatelet dosage) | Dog: 5–10 mg/kg, PO, every 1–2 days |
Cat: 1–2 mg/kg/day, PO; or ¼ of an 81-mg tablet/cat, PO, every 3 days (or twice per week) | |
Atenolol | Dog: 0.2–1 mg/kg, PO, bid |
Cat: 1–2.5 mg/kg, PO, bid; or 6.25–12.5 mg/cat, bid | |
Benazepril | Dog: 0.25–0.5 mg/kg, PO, once to twice daily |
Cat: 0.25–0.5 mg/kg, PO, bid; or 0.5 mg/kg/day, PO | |
Clopidogrel | Dog: loading dose for rapid onset of action (90 min) 10 mg/kg, PO (once); 1–2 mg/kg/day, PO, longterm |
Cat: ¼ of a 75-mg tablet (18.75 mg)/day/cat, PO | |
Diltiazem | Dog: 0.5–2 mg/kg, PO, tid (standard formulation); 1–4 mg/kg, PO, bid (sustained release) |
Cat: 7.5 mg/cat, PO, tid (standard formulation); 3–6 mg/cat, PO, once to twice daily (sustained release) | |
Dobutamine | Dog: 2.5–15 mcg/kg/min, CRIa |
Enalapril | Dog: 0.25–0.5 mg/kg, PO, bid |
Cat: 0.25–0.5 mg/kg, PO, bid; or 0.5 mg/kg/day, PO | |
Furosemide | Dog: 2–4 mg/kg, IV, IM, SC, every 1–6 hr; 0.25–1 mg/kg/hr, CRI; or 1–5 mg/kg, PO, bid-tid |
Cat: 0.5–2 mg/kg, IV, IM, SC, every 1–8 hr; 0.25–0.6 mg/kg/hr, CRI; or 1–2 mg/kg, PO, once to twice daily | |
Heparin | Dog: 100–200 U/kg, SC, tid-qid (unfractionated) |
Dog and cat: 100–200 IU/kg, SC, once to twice daily (low molecular weight) | |
Hydralazine | Dog: 0.5–3 mg/kg, PO, bid |
Lidocaine | Dog: 2–4 mg/kg, IV; 25–75 mcg/kg/min, CRI |
Mexiletine | Dog: 4–6 mg/kg, PO, tid |
Nitroglycerin ointment 2% (1 in. = 15 mg) | Dog: 4–12 mg, topically, bid (maximum 15 mg/dog/dose) |
Cat: 2–4 mg/cat, topically, tid-qid for 1–2 days | |
Pimobendan | Dog, cat: 0.25–0.3 mg/kg, PO, bid |
Procainamide | Dog: 4–6 mg/kg, PO, every 2–4 hr (regular formulation); 10–20 mg/kg, PO, tid (sustained release); 2–25 mg/kg, slow IV bolus to effect, or CRI at 25–40 mcg/kg/min |
Quinidine sulfate | Dog: 5–10 mg/kg, IV, qid; or 6–20 mg/kg, PO, tid-qid |
Quinidine gluconate | Dog: 6–20 mg/kg, IM, qid; or 6–20 mg/kg, PO, tid-qid |
Sildenafil | Dog: 1–3 mg/kg, PO, bid-tid |
Sotalol | Dog, cat: 1–2.5 mg/kg, PO, bid |
Spironolactone | Dog: 1–2 mg/kg, PO, bid; or 2 mg/kg/day, PO |
Cat: 1–2 mg/kg, PO, once to twice daily | |
Torsemide | Dog: 0.25–0.4 mg/kg, PO, once to twice daily |
a CRI = constant-rate infusion | |