Any conditions that cause dry eyes and leave the eye without the normal protection of tears against germs and therefore can cause ulcers 4. Risk factors include contact lens use, HIV, trauma, ocular surface disease, and ocular surgery. 2 Overnight contact lens wear has been shown to be associated with increased risk. Topical antibiotics are used continually to prevent infection. For best results, the antibiotic preparation should be every four to six hours, depending on your pet's condition and acceptance of the medication. A corneal ulcer can involve one layer up to all four layers. Entropion or distichiae may cause ulceration of the peripheral cornea. NSAIDs can cause stomach bleeding and kidney problems if not taken correctly. Cornea. 2013 Mar 27.
The antibiotics are usually administered in the form of eye drops, sometimes as often as one drop per hour. It has a currently accepted medical use in treatment in the United States. Pinna A, shchi LA, Zanetti S, et al.