() Oxytet 100 (oxytetracycline injection) | Norbrook

Oxytet 100       

(oxytetracycline Injection) 


Broad-spectrum antibiotic for use in beef cattle, beef calves, non-lactating dairy cattle and dairy calves only. Effective against a wide range of gram-negative and gram-positive organisms that are pathogenic for cattle.

Target Species: Beef cattle, Beef Calves, Non-Lactating dairy cattle and dairy calves only  

Product Attributes

  • Broad spectrum, ready-to-use antibiotic 

  • Administer intravenously (IV) in cattle

  • FDA approved

  • Available in 500 mL, multi-dose vial


CAUTION: Federal law restricts this drug to use by or on the order of a licensed veterinarian.


Observe label directions and withdrawal times. Not for use in lactating dairy animals or in calves to be processed for veal. Adverse reactions, including injection site swelling, restlessness, ataxia, trembling, respiratory abnormalities (labored breathing), collapse and possibly death have been reported. See product labeling for full product information.

  • Active Ingredient(s)

    Each mL contains 100 mg oxytetracycline HCI

  • Dosage Form

    Sterile, ready-to-use solution for injection. 

  • Indications

    The use of Oxytet 100 is indicated in beef cattle, beef calves, non-lactating dairy cattle and dairy calves for treatment of the following disease conditions caused by one or more of the oxytetracycline sensitive pathogens listed as follows:


    Causitive organism(s) which show sensitivity to Oxytet 100 

    Bacterial Pneumonia and Shipping Fever complex associated with Pasteurella spp.

    Pasteurella spp

    Bacterial Enteritis (scours)

    Escherichia coli 

    Necrotic Pododermatitis (Foot Rot)

    Fusobacterium necrophorum

    Calf Diphtheria 

    Fusobacterium necrophorum 

    Wooden Tongue 

    Actinobacillus lignieresii

    Wound Infections; Acute Metritis: Traumatic Injury 

    Caused by oxytetracycline-susceptible strains of streptococcal and staphylococcal organisms 


  • Dosage and Administration

    Treat at the first clinical signs of disease. The intravenous injection of 3 to 5 mg of oxytetracycline hydrochloride per pound of body weight per day (3 to 5 mL per 100 lbs body weight) is the recommended dosage. Severe foot-rot and severe forms of the indicated diseases should be treated with 5 mg per pound of body weight. Surgical procedures may be indicated in some forms of foot-rot or other conditions. In disease treatment, the daily dose of Oxytet 100 should be continued 24 to 48 hours following remission of disease symptoms; however, not to exceed a total of 4 consecutive days.

    Refer to the table below for proper dosage according to body weight of the animal. 

    Oxytet 100 Dosing Guide

    CAUTION: If no improvement is noted within 24 to 48 hours consult a veterinarian. For intravenous use only.

    Oxytet 100 Residue Warning

  • Storage

    Store at controlled room temperature 20-25°C (68-77°F); excursions permitted 15-30°C (59-86°F). Protect from freezing. Use within 60 days of first puncture and puncture a maximum of 36 times. If using a needle or draw-off spike larger than 16 gauge, discard any remaining product immediately after use.

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Please note: Product information presented on this website is intended only as a brief summary of Norbrook products for your convenience. Not all products or indications are licensed in every country and may be subject to further local variations. For specific product information you should always consult a healthcare professional from your region or visit the local government agency website for the most up to date information. Please see our terms and conditions for further information.