Terramycin® is a broad-spectrum antibiotic that treats eye infections in cats and dogs. Here's everything to know about the medication. Terramycin Ophthalmic Ointment may be prescribed for conjunctivitis, pink eye, corneal ulcers and other infections. This eye ointment is applied topically and is FDA approved for use in horses, cats and dogs. Terramycin for cats is a prescription antibiotic eye medication. Learn how it is used, how it works, side effects, and common questions. Terramycin (Oxytetracycline) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Terramycin Description Oxytetracycline is a product of the metabolism of Streptomyces rimosus and is one of the family of tetracycline antibiotics. A 1 percent solution in water is acidic (pH about 2.5). Its potency is affected in solutions more acid than pH 2 and it is rapidly destroyed by alkali hydroxides. Oxytetracycline diffuses readily through the placenta into the fetal circulation. How TERRAMYCIN works TERRAMYCIN contains two different antibiotics, oxytetracycline and polymyxin B. Oxytetracycline belongs to a group of medicines called tetracycline antibiotics. The combination of oxytetracycline and polymyxin B works by killing or stopping the growth of bacteria causing your infection. Shop for Terramycin Brand Products at Tractor Supply Co. Pet & Animal Pharmacy Livestock & Farm Pharmacy Livestock Eye & Ear Care Livestock Antibiotics Horse Pharmacy Dog Pharmacy Cat Pharmacy Pet Livestock Terramycin (oxytetracycline hydrochloride and polymyxin B sulfate ophthalmic ointment) for Dogs & Cats, 1/8 oz 50+ bought in past month Add to cart 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? Explore the reasons behind the discontinuation of Terramycin, including its history, safety concerns, regulatory actions, alternatives, and the future outlook for this antibiotic.