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Testosterone

Androgenic Steroid Hormone
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
1

Mechanism of action

Natural androgen that binds to androgen receptors, promoting male sexual characteristics, spermatogenesis, libido, and anabolic muscle and bone development. Stimulates erythropoiesis via EPO.

At a glance

Class
Androgenic Steroid Hormone
Schedule
Controlled Substance
Storage
Store at room temperature; controlled substance storage required

Dosing

🐕

Dog

Used for testosterone-responsive urinary incontinence in male dogs, aplastic ane
Dose
1–2 mg/kg
Route
IM
Frequency
Depends on ester (see notes)
🐈

Cat

Limited use in cats; occasionally for aplastic anemia or hormonal disorders
Dose
Route
IM
Frequency
q4–6 weeks
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 →

Formulations

💊

Other — 1

Strength

Storage

Store at room temperature; controlled substance storage required

Safety

Monitoring parameters

Prostate size (palpation or ultrasound)PCVHepatic enzymesBehavioral changes
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 →

Interactions

No documented interactions.

Brands

Other markets

Andro-Cyp
Depo-Testosterone
Testex

FAQs

Frequently asked questions

What is Testosterone?
Testosterone is a androgenic steroid hormone used in pets. Natural androgen that binds to androgen receptors, promoting male sexual characteristics, spermatogenesis, libido, and anabolic muscle and bone development. Stimulates erythropoiesis via EPO.
What is Testosterone used for in pets?
Testosterone is used in veterinary medicine for: Used for testosterone-responsive urinary incontinence in male dogs, aplastic ane; Limited use in cats; occasionally for aplastic anemia or hormonal disorders.
What is the Testosterone dose for dogs?
For dogs, Testosterone is typically dosed as follows — Used for testosterone-responsive urinary incontinence in male dogs, aplastic ane: 1–2 mg/kg IM Depends on ester (see notes). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Testosterone dose for cats?
For cats, Testosterone is typically dosed as follows — Limited use in cats; occasionally for aplastic anemia or hormonal disorders: undefined undefined IM q4–6 weeks. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Testosterone need a prescription?
Testosterone is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
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 →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database
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