Oxytetracycline Activase Pharmaceuticals (Oxytetracycline)

Oxytetracycline is a tetracycline‑class antibiotic that acts against a wide range of bacterial pathogens in veterinary medicine.

• Respiratory infections: helps reduce clinical signs and bacterial load in bovine and porcine pneumonia.
• Metabolic disorders such as foot‑and‑mouth disease: aids in controlling secondary bacterial complications.
• Septicemia and systemic infections: contributes to bacterial clearance in acute systemic disease.
• Eye infections (keratoconjunctivitis): assists in eliminating ocular bacterial pathogens.
• Gastrointestinal infections: supports recovery from colibacillary diarrhoea in young animals.

• Oxytetracycline inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit, preventing the attachment of amino‑acyl‑tRNA to the mRNA‑ribosome complex. This action blocks peptide chain elongation, resulting in a bacteriostatic effect against susceptible Gram‑positive and Gram‑negative organisms.

Oxytetracycline may cause a range of adverse reactions, most of which are dose‑dependent and reversible.

Common Side Effects

• Gastrointestinal upset: nausea, vomiting or diarrhoea.
• Local irritation at the injection site: pain, redness or swelling.
• Mild hepatic enzyme elevation.
• Transient photosensitivity.
• Hypersensitivity rash.

Serious or Rare Side Effects

• Anaphylactic reaction: sudden airway swelling, hypotension or urticaria.
• Severe hepatic dysfunction: jaundice, elevated transaminases.
• Hemolytic anemia: sudden drop in red‑cell count.
• Nephrotoxicity: acute kidney injury with oliguria.
• Clostridium difficile‑associated colitis.
• Persistent neutropenia.

When using Oxytetracycline, careful assessment and monitoring are recommended.

• Renal impairment: adjust dose or extend interval in animals with reduced kidney function.
• Hepatic dysfunction: monitor liver enzymes during prolonged therapy.
• Pregnancy and lactation: use only if clearly needed, weighing fetal risk.
• Age restrictions: avoid in very young animals unless specifically indicated.
• Drug‑resistance monitoring: perform susceptibility testing where possible.
• Store below 25°C: keep in the original container, protect from moisture and direct sunlight.

Oxytetracycline can interact with several other veterinary medicines, altering efficacy or safety.

Major Interactions (Avoid)

• Antacids/alkaline alkalinizing  :  c    

t   t  t  t  t Moderate   t  t t  t -   t  ",