Terramycin Ophthalmic Ointment for Dogs, Cats & Horses, 3.5-g (Not for California)

No Prescription Required

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Help fight eye infections caused by bacteria with Terramycin. This broad-spectrum antibiotic ointment is prescribed to help combat a variety of eye infections, including pink eye, inflamed cornea, corneal ulcer and inflammation of the eyelids. These infections can cause pain, irritation, irregular tear production, among other issues. This medication is applied topically for easy administration. Terramycin requires a prescription in the state of California.


Terramycin is used in the treatment of infections such as conjunctivitis, inflamed cornea, pink eye, corneal ulcers and inflammation of the eyelids.

Possible Side Effects

Terramycin is typically safe and serious side effects should not be expected, but some stinging can occur. Contact your veterinarian immediately if your cat has swelling of the face, itching, or appears to have difficulty breathing—these may be signs of an allergic reaction to Terramycin. Talk to your veterinarian about any other side effects that seem unusual or bothersome to your pet.

Drug & Food Interactions

Before using Terramycin, tell your veterinarian if your pet is using other eye medications, as they could interact with Terramycin. Talk to your veterinarian or pharmacist before giving any additional prescription or over-the-counter medicines.


Do not use in pets with a known allergy to any of the ingredients. Your pet’s eye should start to look better in 48 to 72 hours. If it looks the same or gets worse, consults with your veterinarian. Extended use of these medications could result in a more serious bacterial or fungal infection.

CALIFORNIA RESIDENTS: Terramycin requires a prescription in the state of California.

  1. Prescribing Information

See all items by Terramycin

  • Item Number
  • For Use With
    Dogs, Cats & Horses
  • Restricted Availability
  • Common Brand Name(s)
  • Generic Name
  • Administration Form
  • Brand
  • Product Form
  • Health Condition
    Eye Infections
  • Drug Type

Oxytetracycline Hydrochloride and Polymyxin B Sulfate.

Recommended Dosage

Follow your veterinarian's exact instructions. Terramycin is typically applied 2-4 times per day. Do not stop administering medication or change your pet's dosage without explicit instructions from your veterinarian.

Storage Instructions

Store at controlled room temperatures between 68° - 77°F.


What is Terramycin Ophthalmic Ointment?

Terramycin is an ophthalmic antibiotic ointment to help fight eye infections such as conjunctivitis, inflamed cornea, pink eye, corneal ulcer, and inflammation of the eyelids.

What are the benefits of Terramycin Ophthalmic Ointment?

Provides dual antibiotic activity to fight bacterial infections.

How is this medication given?

Do not touch the tube opening to any surface including eyes or hands. Should be administered topically to the eye 2-4 times daily.

How does this medication work?

Terramycin Ophthalmic Ointment is effective in the treatment of infections due to gram-positive and gram-negative bacteria, both aerobic and anaerobic, spirochetes, rickettsiae, and certain of the larger viruses.

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