Cyclophosphamide Dosage Calculator

Cyclophosphamide Dosage for Dogs and Cats
Trade Names: Cytoxan, Neosar, CTX
Functional classification: Anticancer agent

Cyclophosphamide Dosing for Dogs and Cats

Important Safety Information

Monitor for sterile hemorrhagic cystitis. Use with caution in animals with renal impairment or bone marrow suppression.

Regular blood counts and urinalysis recommended during therapy.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 218-220

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs PO 2.2 mg/kg Once daily 4 days/week or q48h
PO 0.3 mg/kg q24h (metronomic)
IV 6.8-13.6 mg/kg Repeat in 21 days
Cats PO 6.25-12.5 mg/cat Once daily 4 days/week

Additional Protocols

Protocol Species Dosage Frequency
Pulse therapy Dogs 10 mg/kg Once every 3 weeks
Immunosuppressive Dogs 2.2 mg/kg Once daily 4 days/week
Metronomic Dogs 0.3 mg/kg q24h continuously