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Bleomycin

Prescription
Antitumor Antibiotic (Chemotherapy)
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
1

Mechanism of action

Glycopeptide antibiotic that generates reactive oxygen species causing single- and double-strand DNA breaks. Cell-cycle specific (G2 and M phase). Inactivated by bleomycin hydrolase — low in lung and skin (highest toxicity there).

At a glance

Class
Antitumor Antibiotic (Chemotherapy)
Schedule
Prescription (Chemotherapy)
Storage
Refrigerate 2–8°C; reconstituted solution stable 24h at room temperature; chemotherapy precautions

Dosing

🐕

Dog

Used for squamous cell carcinoma, fibrosarcoma
Dose
Route
IV, SQ
Frequency
Weekly
🐈

Cat

Used for squamous cell carcinoma and injection-site sarcomas
Dose
Route
IV, SQ
Frequency
Weekly

Formulations

💊

Other — 1

Strength

Storage

Refrigerate 2–8°C; reconstituted solution stable 24h at room temperature; chemotherapy precautions

Safety

Monitoring parameters

Chest radiographs before each cycle (pulmonary fibrosis)Renal function (BUN, creatinine)Cumulative dose tracking

Interactions

No documented interactions.

Brands

Other markets

Blenoxane

FAQs

Frequently asked questions

What is Bleomycin?
Bleomycin is a antitumor antibiotic (chemotherapy) used in pets. Glycopeptide antibiotic that generates reactive oxygen species causing single- and double-strand DNA breaks. Cell-cycle specific (G2 and M phase). Inactivated by bleomycin hydrolase — low in lung and skin (highest toxicity there).
What is Bleomycin used for in pets?
Bleomycin is used in veterinary medicine for: Used for squamous cell carcinoma, fibrosarcoma; Used for squamous cell carcinoma and injection-site sarcomas.
What is the Bleomycin dose for dogs?
For dogs, Bleomycin is typically dosed as follows — Used for squamous cell carcinoma, fibrosarcoma: undefined undefined IV/SQ Weekly. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Bleomycin dose for cats?
For cats, Bleomycin is typically dosed as follows — Used for squamous cell carcinoma and injection-site sarcomas: undefined undefined IV/SQ Weekly. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Bleomycin need a prescription?
Yes. Bleomycin is a prescription medication and should only be administered under veterinary supervision.

References

References

Textbooks & handbooks

  • Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
  • Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
  • Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
  • National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
  • The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/

Clinical guidelines & consensus

  • Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
  • American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.

Journals & peer-reviewed studies

  • Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
  • Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
  • ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control

Regulatory & approvals

  • Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/

Databases

  • Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Related medicines

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Rx
Intercalates into DNA minor groove at GC-rich sequences, blocking RNA polymerase and inhibiting transcription. Also inhibits topoisomerase II. Cell-cycle non-specific. Potent radiation sensitizer.
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