Cyproheptadine Hydrochloride Dosage Calculator

Cyproheptadine Hydrochloride Dosage for dogs, Cats, Horses By Weight
Trade Names: Periactin, Cyproheptadine
Functional classification: Antihistamine / Appetite Stimulant

Cyproheptadine Hydrochloride Dosing for dogs, Cats, Horses By Weight

Important Safety Information

For cats: Use 2 mg/cat PO for appetite stimulation. For feline asthma: 1-2 mg/cat PO every 12 hours.

For inappropriate urination in cats: Start with 2 mg/cat every 12 hours PO, then reduce to 1 mg/cat every 12 hours PO.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 224-225

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Standard Dosage Guidelines

Small Animal Dosage

Species Indication Dosage Frequency
Dogs Antihistamine 0.5-1.1 mg/kg q8-12h PO
General use 0.5-1.1 mg/kg q8-12h PO
Cats Antihistamine 2-4 mg/cat q12-24h PO
Appetite stimulant 2 mg/cat PO
Feline asthma 1-2 mg/cat q12h PO
Inappropriate urination 2 mg/cat then 1 mg/cat q12h PO

Large Animal Dosage

Species Indication Dosage Frequency
Horses Antihistamine 0.5 mg/kg q12h PO