Amoxicillin Dosage Calculator

Amoxicillin Dosage for Dogs, Cats, Horses, Cattle, Calves By Weight
Trade Names: Amoxi-Tabs, Amoxi-Drops, Amoxi-Inject, Robamox-V, Biomox, Amoxil, Trimox, Wymox, Polymox (human preparation), and amoxicillin trihydrate
Functional classification: Antibacterial

Amoxicillin Dosing for Dogs, Cats, Horses, Cattle, Calves By Weight

Important Safety Information

Note: Oral doses in large animals are not well absorbed (except in foals), and amoxicillin is generally not administered via this route.

Use with caution in animals with renal impairment. Complete the full course of treatment as prescribed.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 64-66

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs PO 6.6-20 mg/kg q8-12h
Cats PO 6.6-20 mg/kg q8-12h

Large Animal Dosage

Species Route Dosage Frequency
Cattle PO 6.6-22 mg/kg q8-12h
Horses PO 6.6-22 mg/kg q8-12h
Calves (Nonruminating) PO 10-22 mg/kg q8-12h