Phenylephrine Hydrochloride Dosage Calculator

Phenylephrine Hydrochloride Dosage for Dogs, Cats, Horses By Weight
Trade Names: Neo-Synephrine
Functional classification: Vasopressor

Phenylephrine Hydrochloride Dosing for Dogs, Cats, Horses By Weight

Important Safety Information

For CRI in small animals: 10 mcg/kg (0.01 mg/kg) IV, followed by 3 mcg/kg/min IV.

Treatment of nephrosplenic entrapment in horses is controversial.

Use with caution in animals with cardiovascular disease or hypertension.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 658-659

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs and Cats IV 0.01 mg/kg q15min as needed
IM, SQ 0.1 mg/kg q15min as needed
CRI IV 0.01 mg/kg + 0.003 mg/kg/min Continuous infusion

Large Animal Dosage

Species Route Dosage Frequency
Horses IV 0.02-0.04 mg/kg Dilute in 500 mL saline, infuse over 10-15 minutes