Tylvalosin
AntibioticsA macrolide antibiotic that binds to the 50S ribosomal subunit, inhibiting bacterial protein synthesis. It is effective against Gram-positive bacteria, Mycoplasma, and some intracellular agents, and is used particularly in pigs and poultry.
Pharmacological information
A class-level scientific overview for general reference — no doses. The ultimate reference is always the locally approved product leaflet and consultation with a veterinarian.
Mechanism of action
A macrolide antibiotic that binds to the 50S ribosomal subunit, inhibiting bacterial protein synthesis. It is effective against Gram-positive bacteria, Mycoplasma, and some intracellular agents, and is used particularly in pigs and poultry.
Indications
- Respiratory and enteric infections caused by susceptible bacteria in pigs and poultry
- Mycoplasma infections
Contraindications & warnings
- Hypersensitivity to macrolides
- Adherence to approved withdrawal periods
Drug interactions
- Antagonism with lincosamides and phenicols due to competition for the same binding site
Prudent use of antibiotics
Prescribed based on diagnosis and susceptibility testing where possible, to limit antibiotic resistance.
Withdrawal periods
| Species | Meat | Milk | Eggs |
|---|---|---|---|
| Chickens | 2 days | — | zero |
| Turkeys | 2 days | — | — |
Recorded adverse effects
openFDA veterinary reports — the numbers are report counts, not a severity rate.
Related products
Sources
- •Withdrawal periods: UK Veterinary Medicines Directorate (VMD).
- •European Medicines Agency (EMA) — Veterinary medicines
- •Merck Veterinary Manual — Pharmacology
- •World Organisation for Animal Health (WOAH) — Prudent use of antimicrobials
- •Always verify the locally approved leaflet and consult a veterinarian.