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Tylosin

PrescriptionCDSCO approved
Macrolide antibiotic
Last reviewed 18 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
2

Mechanism of action

Binds to 50S ribosomal subunit, inhibiting bacterial protein synthesis; also has anti-inflammatory and prokinetic properties in the GI tract

At a glance

Class
Macrolide antibiotic
Schedule
Prescription
Storage
Store below 25°C, protect from light and moisture
CDSCO (India)
Vet-approved — 1986-08

Dosing

🐕

Dog

Chronic enteropathy / Antibiotic-responsive diarrhoea / Colitis
Dose
10–25 mg/kg
Route
PO
Frequency
BID to TID
Max dose
1000 mg/dose; 3000 mg/day
Duration: 4–6 weeks, may need long-term
🐈

Cat

Chronic diarrhoea / Cryptosporidium
Dose
10–20 mg/kg
Route
PO
Frequency
BID
Max dose
200 mg/dose; 400 mg/day
Duration: 4–6 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

💊

Powder (soluble) — 1

Strength
100g sachets
Available in India
💉

Injection — 1

Strength
200mg/mL
Available in India

Storage

Store below 25°C, protect from light and moisture

Safety

Absolute contraindications — do not use

  • Known macrolide hypersensitivity

Use with caution

  • Hepatic disease
    Hepatic metabolism

Adverse effects

Common
Anorexia
Soft stools (initial)
Pain at injection site (IM)
Serious
Hepatotoxicity (rare)
Allergic reactions

Monitoring parameters

Clinical response (stool quality)Hepatic enzymes with prolonged use
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

International

Tylan
Elanco

India

Tylodox
Virbac India
Tylovit
Intas

FAQs

Frequently asked questions

What is Tylosin?
Tylosin is a macrolide antibiotic used in pets. Binds to 50S ribosomal subunit, inhibiting bacterial protein synthesis; also has anti-inflammatory and prokinetic properties in the GI tract
What is Tylosin used for in pets?
Tylosin is used in veterinary medicine for: Chronic enteropathy / Antibiotic-responsive diarrhoea / Colitis; Chronic diarrhoea / Cryptosporidium.
What is the Tylosin dose for dogs?
For dogs, Tylosin is typically dosed as follows — Chronic enteropathy / Antibiotic-responsive diarrhoea / Colitis: 10–25 mg/kg PO BID to TID. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Tylosin dose for cats?
For cats, Tylosin is typically dosed as follows — Chronic diarrhoea / Cryptosporidium: 10–20 mg/kg PO BID. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What are the side effects of Tylosin?
Common: Anorexia, Soft stools (initial), Pain at injection site (IM). Serious (call your vet immediately): Hepatotoxicity (rare), Allergic reactions.
Does Tylosin need a prescription?
Yes. Tylosin is a prescription medication and should only be administered under veterinary supervision.
When should Tylosin not be used?
Do not use Tylosin if: Known macrolide hypersensitivity.
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

CDSCO approvals (India) — 1

Tylosin Tartrate
M/s Srini Biologicals Hyderabad · Approved 1980-May
Antimicrobial aid in the treatment of chronic respiratory disease in chicken ad for maintaining weight gain and feed eff
Source: CDSCO Veterinary Drug Approval Registry (1969–2026)

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

Related medicines

Other medicines in the same class (Macrolide antibiotic).

Azithromycin
Rx
Binds to the 50S ribosomal subunit, inhibiting bacterial protein synthesis
dogcat
Clarithromycin
Rx
Semisynthetic macrolide that binds 50S ribosomal subunit inhibiting protein synthesis. Better acid stability than erythromycin. Active against Mycobacterium, Helicobacter, Bartonella, and atypical organisms.
dogcat
Erythromycin
Rx
Inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit, preventing translocation. Also has prokinetic effects by acting as a motilin receptor agonist at low doses.
dogcat
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