Terramycin Opthalmic Ointment Sale! from $22.95 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. A broad-spectrum topical for the prevention and treatment of ocular infections. Terramycin and polymyxin B combine for added antibacterial effect. For use in horses, cattle, sheep, dogs and cats.