General Drug Information and Indications

Long-acting oxytetracycline for susceptible bacterial infections in cattle. Long-acting oxytetracycline injectable for cattle. Mechanism: bacteriostatic tetracycline — 30S ribosomal subunit binding → aminoacyl-tRNA blocking → protein synthesis inhibition. Sustained-release vehicle provides prolonged tissue concentrations. Key information Oxytetracycline injectable. Refrigerate. Deep IM injection only. Food animal withdrawal times required.

How to Give this Medication

SQ (cattle): inject at appropriate site. IV (horses — diluted): infuse slowly over 30–60 min. Shake well before each use. suspension before use. Store at room temperature; protect from light. If a dose is missed This medication is administered by a veterinarian or veterinary staff in a clinical setting. Missed doses are managed by your veterinary team — contact your veterinarian to reschedule.

Side Effects

Injection site tissue necrosis/swelling (200–300 mg/mL formulations). GI: diarrhea, anorexia. Photosensitivity. Withdrawal times for food animals.

Precautions

For animals See oxytetracycline. Observe food animal withdrawal times for milk and meat. Avoid high-concentration IM in horses. For people handling this medication Wear gloves when handling. Wash hands thoroughly with soap and water after handling. Oxytetracycline injectable — Keep out of reach of children. Pregnant women and women of childbearing age should avoid contact. Wear gloves. Avoid skin contact.

Overdose

Contact your veterinarian. Long-acting oxytetracycline overdose — contact veterinary team.

Vetrimycin dosage forms

ProductStrengthFormSizeType
VETRIMYCIN 200 (OXYTET) 200MG/ML - 500ML200 MG/ML——Commercial
VETRIMYCIN 200 MG/ML INJECTABLE: OXYTETRACYCLINE200 MG/MLInjectable1Commercial

Sources

This information is provided for educational purposes and is not a substitute for advice from your veterinarian. Source: Merck Veterinary Manual (merckvetmanual.com); Plumb's Veterinary Drug Handbook (Plumb, D.C., app.plumbs.com)