Amitriptyline Hydrochloride Dosage Calculator

Amitriptyline Hydrochloride Dosage for Dogs and Cats By Weight
Trade Names: Elavil and generic brands
Functional classification: Behavior modification, tricyclic antidepressant (TCA)

Amitriptyline Hydrochloride Dosing for Dogs and Cats By Weight

Important Safety Information

For cats with idiopathic cystitis: 2 mg/kg/day PO, or a range of 2.5-7.5 mg/cat/day.

Use with caution and monitor for side effects. Consult veterinary literature for complete safety information.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 61-62

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs PO 1-2 mg/kg q12-24h
Cats PO 0.5-1.0 mg/kg Daily (may be divided into 12-hour intervals)
PO 2-4 mg per cat/day Daily

Special Considerations

Condition Species Dosage Notes
Idiopathic Cystitis Cats 2 mg/kg/day PO
or 2.5-7.5 mg/cat/day
For feline idiopathic cystitis management

Note

No dose has been reported for large animals.