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Emergency Dosing Calculator
Canine
Pounds OR Kgs
Pounds OR Kgs
Dosages are calculated in METRIC units.
Drug Condition Usage Dosage Units
Aminophylline (CHF with bronchoconstriction) 4 - 8 mg/kg SC, IM, or IV.1 - mg
Atropine sulfate (bradycardia) 0.02 - 0.04 mg/kg SC, IV or IM.1 - mg
Atropine sulfate (cholinergic toxicity) 0.2 - 0.5 mg/kg;1/4 of the dose IV and the remainder IM or SC.1 - mg
Buprenorphine (analgesic) 0.01 - 0.03 mg/kg IM, IV, buccal1 - mg
Calcium gluconate (hypocalcemia) 94 - 140 mg/kg slowly IV to effect.1 - mg
Crystalloid fluids (maintenance rate) 2.5 mL/kg/hr CRI2 mL
Crystalloid fluids (shock rate) 60 - 70 mL/kg IV2 - mL
Dexamethasone sodium phosphate (feline asthma) 1 mg/kg IV.1 mg
Dexamethasone sodium phosphate (shock or spinal injury) 2.2 - 4.4 mg/kg IV.2 - mg
Dextran 70 (colloid volume expansion) 10 mL/kg/day as a slow (30 minute) bolus or CRI.1 mL
Diazepam (seizure) 0.5 - 1 mg/kg IV.1 - mg
Digoxin (digitalization) 0.005 mg/kg (lean body weight) divided between 3 doses (1/2 the dose initially, then 1/4 60 minutes later, then the remainder 60 minutes later if necessary)1 mg
Dobutamine (inotrope) 1 - 3 mcg/kg/min IV CRI1 - mcg
Doxapram (respiratory stimulant) 5 - 10 mg/kg IV2 - mg
Epinephrine (anaphylaxis / bronchoconstriction) 0.01 - 0.02 mg/kg IV1 - mg
Epinephrine (anaphylaxis / bronchoconstriction) 0.02 mg/kg IV, IM, SC, or IT.1 mg
Epinephrine (asystole) 0.05 - 0.5 mg of 1:10,000 solution IV or IT1 - mg
Epinephrine (asystole) 0.0005 - 0.005 mg/kg IC.1 - mg
Fentanyl (injectable) (analgesia) 1 - 3 mcg/kg IV loading dose; followed by 1 - 4 mcg/kg/hr CRI.1 -
INITIAL DOSE
mcg
Furosemide (severe pulmonary edema) Up to 4.4 mg/kg IV or IM q 1-2 hours until respiration improves.1 mg
Glycopyrrolate (bradyarrhythmias) 0.005 - 0.01 mg/kg IV or IM1 - mg
Glycopyrrolate (bradyarrhythmias) 0.01 - 0.02 mg/kg SC.1 - mg
Hetastarch (colloid volume expansion) 1 - 2 mL/kg/hr; not to exceed 10 mL/kg in a 24 hour period.1 - mL
Hydromorphone (analgesic) 0.02 - 0.05 mg/kg IV, IM, or SC.1 - mg
Hypertonic saline (Sodium Chloride 7.5%) (hypovolemic shock) 2 - 8 mL/kg IV.2 - mL
Isoproterenol HCL (sinoatrial arrest, sinus bradycardia, complete AV block) 0.4 mg in 250 mL D5W drip slowly to effect1 mg
Lidocaine HCL (bolus/CRI) (antiarrhythmic) 0.25 - 0.5 mg/kg slowly IV.1 - mg
Mannitol (cerebral edema/increased CSF) 0.5 - 1.5 g/kg IV over 10 - 20 minutes.1 - g
Morphine sulfate (IM or SC) (analgesic) 0.2 - 0.5 mg/kg IM or SC.1 - mg
Morphine sulfate (IV) (analgesic) 0.02 - 0.1 mg/kg IV.1 - mg
Naloxone HCL (opioid reversal) 0.002 - 0.02 mg/kg IV or IM.1 - mg
Oxyglobin (hemoglobin glutamer) (hemoglobin substitute) 3 - 5 mL/kg slowly IV.2 - mL
Oxymorphone HCL (analgesic) 0.025 - 0.1 mg/kg IM, IV, or SC.1 - mg
Pentobarbital (status epilepticus) 3 to 15 mg/kg slowly IV to effect.1 - mg
Phenobarbital (loading dose for seizures) 16 - 20 mg/kg IV.1 - mg
Propofol (refractory status epilepticus) 0.1 - 0.6 mg/kg/min IV bolus or CRI.1 - mg
Sodium bicarbonate (metabolic acidosis in cardiac arrest) 1 mEq/kg IV initially, then 0.5 mEq/kg at 10 - 15 minute intervals during CPR.1
INITIAL DOSE
mEq
Aminophylline (acute pulmonary edema and bronchoconstriction) 4 - 8 mg/kg IV or IM1 - mg
Atropine sulfate (bradycardia) 0.02 - 0.04 mg/kg IV or IM.1 - mg
Atropine sulfate (cholinergic toxicity) 0.2 - 0.5 mg/kg; 1/4 of the dose IV and the remainder IM or SC.1 - mg
Buprenorphine (analgesic) 0.006 - 0.02 mg/kg IV, IM, or SC.1 - mg
Calcium gluconate (hypocalcemia) 94 - 140 mg/kg slowly IV to effect.1 - mg
Crystalloid fluids (maintenance rate) 2.5 mL/kg/hr CRI2 mL
Crystalloid fluids (shock rate) 90 mL/kg IV.2 mL
Dexamethasone sodium phosphate (shock or spinal injury) 2.2 - 4.4 mg/kg IV.2 - mg
Dextran 70 (colloid volume expansion) 20 mL/kg/day as a slow (30 minute) bolus or CRI.1 mL
Diazepam (sedation/restraint) 0.2 - 0.6 mg/kg IV.1 - mg
Diazepam (seizure) 0.5 - 1 mg/kg IV.1 - mg
Digoxin (Rapid digitalization) 0.0055 - 0.011 mg/kg IV q1h to effect.2 - mg
Dobutamine (inotrope) 1 - 10 mcg/kg/min IV CRI1 - mcg
Dopamine (acute heart failure) 1 - 10 mcg/kg/min CRI1 - mcg
Dopamine (severe hypotension) 1 - 3 mcg/kg/min CRI1 - mcg
Doxapram (respiratory stimulant) 5 - 10 mg/kg IV2 - mg
Epinephrine (asystole) High Dose 0.1 - 0.2 mg/kg IV or IO; repeat at 3 - 5 minute intervals.1 - mg
Epinephrine (asystole) Low Dose 0.01 - 0.02 mg/kg IV or IO; repeat at 3 - 5 minute intervals.1 - mg
Epinephrine (bronchoconstriction) 0.02 mg/kg IV, IM, SC, or IT.1 mg
Fentanyl (injectable) (analgesia) 2 - 5 mcg/kg IV loading dose; followed by 2 - 5 mcg/kg/hr CRI.1 -
INITIAL DOSE
mcg
Furosemide (severe pulmonary edema) Up to 7.7 mg/kg IV or IM q 1-2 hours until respiration improves1 mg
Glycopyrrolate (adjunctive therapy of bradyarrhythmias) 0.011 mg/kg IV or IM.1 mg
Hetastarch (colloid volume expansion) 1 - 2 mL/kg/hr; not to exceed 20 mL/kg in a 24 hour period.1 - mL
Hydromorphone (analgesic) 0.05 - 0.2 mg/kg IV, IM, or SC.1 - mg
Hypertonic saline (Sodium Chloride 7.5%) (hypovolemic shock) 2 - 8 mL/kg IV.2 - mL
Isoproterenol HCL (sinoatrial arrest, sinus bradycardia, complete AV block) 0.4 mg in 250 mL D5W drip slowly to effect1 mg
Lidocaine HCL (bolus/CRI) (antiarrhythmic) 2 - 8 mg/kg slowly IV to effect; then 25 - 75 mcg/kg/min CRI, starting at a high dose and tapering when possible.1 -
INITIAL DOSE
mg
Mannitol (cerebral edema/increased CSF) 0.5 - 1.5 g/kg IV over 10 - 20 minutes.1 - g
Morphine sulfate (IM or SC) (analgesic) 0.5 - 2.2 mg/kg IM or SC.1 - mg
Morphine sulfate (IV) (analgesic) 0.1 - 0.2 mg/kg IV.1 - mg
Naloxone HCL (opioid reversal) 0.002 - 0.02 mg/kg IV or IM.1 - mg
Oxyglobin (hemoglobin glutamer) (hemoglobin substitute) 10 - 30 mL/kg IV.2 - mL
Oxymorphone HCL (analgesic) 0.1 - 0.2 mg/kg IM, IV, or SC.1 - mg
Pentobarbital (status epilepticus) 3 to 15 mg/kg slowly IV to effect.1 - mg
Phenobarbital (loading dose for seizures) 16 - 20 mg/kg IV.1 - mg
Propofol (refractory status epilepticus) 0.1 - 0.6 mg/kg/min IV bolus or CRI.1 - mg
Sodium bicarbonate (metabolic acidosis in cardiac arrest) 1 mEq/kg IV initially, then 0.5 mEq/kg at 10 - 15 minute intervals during CPR.1
INITIAL DOSE
mEq
Sources:
1 Plumb DC. Plumb's Veterinary Drug Handbook 6th edition. Blackwell Publishing, Ames, 2008.
2 Papich MG. Saunders Handbook of Veterinary Drugs 2nd edition. Saunders Elsevier, St. Louis, 2007.
CRI Constant rate infusion
SC Subcutaneous
IC Intracardiac
IM Intramuscular
IO Intraosseous
IT Intratracheal
IV Intravenous