Lorazepam Dosage Calculator

Lorazepam Dosage for dogs and Cats By Weight
Trade Names: Ativan and generic brands
Functional classification: Anticonvulsant

Lorazepam Dosing for dogs and Cats By Weight

Important Safety Information

For seizure control in dogs: 0.2 mg/kg IV, repeat every 3-4 hours if necessary; or 0.2 mg/kg bolus, followed by 0.2-0.4 mg/kg/hour IV CRI.

Use with caution and monitor for sedation and respiratory depression.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 486-487

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs PO 0.05 mg/kg q12h
IV 0.2 mg/kg Seizures: Repeat every 3-4 hours or CRI 0.2-0.4 mg/kg/hour
Cats PO 0.05 mg/kg q12-24h

Large Animal Dosage

Species Route Dosage Frequency
No large animal doses have been reported