'Click' below Quick Select

Prescription Products

Oxytetra MA 10%

Medium-Acting Injectable Oxytetracycline 10%.

OXYTETRA MA 10% is an aqueous solution containing 100mg/mL oxytetracycline base (as HCI), in the form of a magnesium complex. Its pH and optimal content of high grade polyvinylpyrrolidone, ensures minimal tissue irritancy.

An effective and economical medium-acting oxytetracycline, especially formulated to achieve low tissue irritancy and pain at the site of injection. OXYTETRA MA 10% has bioavailability characteristics that compare very favourably with other 10% oxytetracycline formulations.

Oxytetracycline affects rapidly growing organisms by binding to their ribosomes and interfering with bacterial protein Synthesis. Oxytetracycline is a broad-spectrum, bacteriostatic antibiotic. Susceptible organisms include many gram +ve and gram -ve bacteria, and some protozoa, rickets, mycoplasmas and Chlamydia.

OXYTETRA MA is recommended whenever medium-term antibiotic treatment or prophylaxis is required. Oxytetracycline diffuses widely throughout the body, but achieves highest concentrations in the kidney, liver, lungs and spleen.

Sever liver or kidney insufficiency Hypersensitivity to tetracycline’s.

General recommendations
Cattle: Oxytetra MA is indicated for the treatment of pneumonia, pasteurellosis, foot-rot, joint- infection, actinobacillosis, mastitis and steptothricosis, and for tile control of post-parturient and post- operative infections.
Pigs: Oxytetra MA is indicated for tile treatment of pneumonia, erysipelas, joint infection, mastitis- metritis-agalactia syndrome and pasteurellosis.
Dosage & Administration: Administration may be by deep intramuscular injection into the anterior half of the neck, or by slow (over 1-2 minutes) intravenous injection.

Recommended Dosage


1mL per 5kg bodyweight (20mg/kg)

Adult Cattle

1mL per 10kg bodyweight (10mg/kg).


1mL per 5kg bodyweight (20mg/kg).

Repeat the dosage as necessary for 2- 3 injections at 24-48 hour intervals. To minimise local tissue reaction, no more than 20ml should be administered at any one injection site.

Withholding Time
Milk intended for human consumption must be discarded during treatment and for 120 hours (5 days) following the last treatment.

Animals producing meat and offal for human consumption must not be slaughtered during or within 14 days of the last treatment.

Not for use in sheep or goats whose milk is intended for human consumption.

Multi dose vials of 100mL.

A transient swelling may occur at the injection site. Occasional anaphylactic or allergic reactions can occur following use of oxytetracyline injections. Prompt treatment with adrenaline, antihistamines and/or corticosteroids is indicated in such cases. Use of oxytetracycline during the period of tooth development, including late pregnancy, may lead to tooth discolouration. Too rapid intravenous injection may cause cardiac arrhythmias. Store in a cool place and protect from light.

Restricted Veterinary Medicine – Registered pursuant to the ACVM Act 1997 No. A7125.
See for registration conditions.

Registered to:

Phoenix Pharm Distributors Ltd
PO Box 31363, Mairangi Bay, Auckland

NZ Agent & Distributor:

Phoenix Pharm Distributors Ltd
PO Box 31363, Mairangi Bay, Auckland