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What Is Terramycin® Ophthalmic Ointment?

Terramycin is ideal for dogs with mild eye infections.
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  • Written By: Kelly Andersson
  • Edited By: Angela B.
  • Last Modified Date: 26 August 2014
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Terramycin® ophthalmic ointment, an antibiotic treatment manufactured by Pfizer Animal Health, is intended to treat bacterial infections in cats, dogs, and livestock. Terramycin® contains the antibiotics oxytetracycline and polymyxin B sulfate. A versatile broad-spectrum antibiotic in a petroleum base, Terramycin® treats infections resulting from both Gram-positive and Gram-negative bacteria, along with rickettsiae, spirochetes and other viruses. Terramycin® ophthalmic ointment is sometimes used for treating other problems in addition to eye infections.

Terramycin® is a bright yellow ointment with strong antimicrobial activity. It is applied directly to the animal's eye to effectively treat conjunctivitis and other bacterial inflammations. This antibiotic ointment is ideal for dogs with occasional mild eye infections, and it is effective in treating pets and livestock with pink eye, inflamed eyelids, or corneal inflammation. Some areas may require a veterinarian's prescription for Terramycin® ophthalmic ointment.

One of the ingredients in this antibiotic eye medication is polymyxin B sulfate, which is derived from bacillus polymyxa. It's rapidly effective against Gram-negative bacteria. Oxytetracycline, the other main ingredient, blocks the ability of bacteria to produce the proteins necessary for bacterial growth. Polymyxin B is also effective in treating infections associated with pseudomonas aeruginosa. Some research also indicates that polymyxin B sulfate is effective as an anti-fungal ingredient.

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Terramycin® ophthalmic ointment is also used to treat eye infections caused by secondary bacterial complications of canine distemper. The sterile antibacterial ointment is applied in a thin layer on the inside of the animal's lower eyelid, usually from two to four times daily. Some allergic reactions have occurred, particularly in cats — Terramycin® is sometimes used to treat chlamydia in cats. Animals allergic to polymyxin B, oxytetracycline, tetracycline, or doxycycline should not be treated with Terramycin® unless they're under the supervision of a veterinarian. Terramycin® is not for human use.

The tube opening of this antibiotic ointment should not be touched to any surface, including the eyes or fingertips, and the tube should be kept tightly capped. The ointment can cause blurred vision; an animal being treated with Terramycin® should be monitored for signs of visual disturbance. Other eye medications should not be used with this ointment unless the animal is under the supervision of a veterinarian. Prolonged use can lead to a drug-resistance problem that can result in a more serious fungal or bacterial infection.

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Discuss this Article

ceilingcat
Post 3

@SZapper - That's a really helpful hint for giving a cat medicine. Because you're right about cats and medicine! Most cats are not crazy about taking medicine and make it really difficult for you to give it to them.

But regarding eye ointment, I can't really blame them! Obviously I wasn't prescribed the same eye ointment as an animal, but I did have to use eye ointment on myself a few years ago.

It wasn't a very pleasant process and I couldn't stop trying to close my eyes before the ointment went in. The eye ointment did work for me in the end but I really hated it!

SZapper
Post 2

My veterinarian prescribed Terramycin antibiotic ophthalmic ointment for my cat a few months ago. The poor thing had a pretty terrible eye infection.

Cats aren't known for being particularly cooperative in taking medication, and my cat is no different. But I would like to share a little tip my vet gave me: wrap kitty up in a towel before giving him his eye medicine. The cat won't be able to scratch you and you'll be able to get to his eye to give him the ointment.

My cat wasn't particularly happy about it, but the ointment did do the trick for his eye infection.

anon195919
Post 1

can we also used terramycin ointment for our eyes? not only in animal eyes?

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