Neostigmine Dosage Calculator

Neostigmine Dosage for Dogs, Cats, Horses, Cattle, Sheep, Pigs, Ruminants By Weight
Trade Names: Prostigmin, Stiglyn, Neostigmine bromide, Neostigmine methylsulfate
Functional classification: Anticholinesterase

Neostigmine Dosing for Dogs, Cats, Horses, Cattle, Sheep, Pigs, Ruminants By Weight

Important Safety Information

When used as a treatment for neuromuscular blocking agents (cholinesterase inhibitor), the frequency of administration is determined by clinical response.

Use with caution and monitor for cholinergic effects. Contraindicated in cases of mechanical gastrointestinal or urinary tract obstruction.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 587-588

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs and Cats PO 2 mg/kg Per day in divided doses
IM, SQ 0.01 mg/kg Antimyasthenic treatment as needed
IM, SQ 0.04 mg/kg Antidote for neuromuscular blockade
IM, IV 0.02-0.04 mg/kg Diagnostic aid for myasthenia

Large Animal Dosage

Species Route Dosage Frequency
Horses IV, SQ 0.02-0.04 mg/kg Frequency determined by clinical response
CRI 0.008 mg/kg/hour Constant-rate infusion
Cattle SQ 0.022 mg/kg Frequency determined by clinical response
Sheep SQ 0.022-0.033 mg/kg Frequency determined by clinical response
Swine IM 0.044-0.066 mg/kg Frequency determined by clinical response
Ruminants IM, SQ 0.02 mg/kg To stimulate rumen motility