Description
Tetroxy 10% Injectable Solution
Active Ingredient:
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Oxytetracycline hydrochloride 100?mg/mL (10% w/v)?
Formulation:
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Sterile injectable solution for intramuscular use in livestock
Target Species:
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Cattle, sheep, goats, and pigs
Indications & Activity
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Treats infections by oxytetracycline-sensitive organisms of the respiratory, gastrointestinal, and urogenital tracts
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Effective against a broad range of Gram-positive and Gram-negative bacteria, Mycoplasma spp., Rickettsiae, Chlamydia, and some protozoa
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Used for secondary infections, e.g., pneumonia and navel-ill in calves and pigs
Key Benefits
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Multi-species product ? suitable for multiple livestock types
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Convenient withdrawal times ? 2 days for milk, 5?7 days for meat in cattle (7 days for sheep/goats/pigs)
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Broad-spectrum antibiotic for varied bacterial and related infections
Dosage & Administration
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Administered via intramuscular (IM) injection; slow IV use is possible with care
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Typical dosage for cattle and pigs: 3?10?mg/kg every 24 hours (e.g., 30?100?mg/kg); long-acting regimens use 10 or 20?mg/kg IM, repeated after 48?60 hours
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Use sterile technique, rotate injection sites if volume >?10?20?mL
Pharmacology Highlights
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Bacteriostatic action: binds the 30S ribosomal subunit to inhibit protein synthesis
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Broad spectrum: active against many bacterial classes, including Pneumonia, pinkeye, foot rot, enteritis, and leptospirosis
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Long-acting injection: maintains effective plasma levels for ~72 hours post IM injection
? Withdrawal Periods
| Species | Meat/Offal Withdrawal | Milk Withdrawal |
|---|---|---|
| Cattle | 21?28 days | 2?4 days ? |
| Sheep, Goats, Pigs | 21?28 days | 7 days (if applicable) |
?? Safety & Precautions
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Injection site swelling and transient dark urine (hemoglobinuria) can occur
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May interfere with bone and tooth development in young animals; avoid in pregnant and early lactating stock unless necessary
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Avoid mixing with penicillins, cephalosporins, or divalent/cationic products due to possible antagonism or chelation
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Comply with national antimicrobial usage guidelines to prevent resistance
Packaging
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Available in 50?mL and 100?mL amber glass bottles; multi-use vials with defined puncture limits
Summary Table
| Feature | Description |
|---|---|
| Active | Oxytetracycline HCl 100?mg/mL |
| Species | Cattle, sheep, goats, pigs |
| Indications | Respiratory, GI, urogenital infections; pneumonia; navel-ill |
| Dosage | 3?20?mg/kg IM; long-acting regimens available |
| Pharmacology | Bacteriostatic, broad spectrum, 72?h persistence |
| Withdrawal | Meat 21?28?d; Milk 2?7?d |
| Precautions | Avoid in young/pregnant; rotate sites; avoid incompatibles |
| Packaging | 50?mL, 100?mL multi-dose vials |



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