Let's take a minute to talk about your medication. This is gatifloxacin. It is an antibiotic eye drop that helps to treat infections caused by bacteria. Gatifloxacin is often used in the affected eye(s) several times each day. You should use it exactly as directed by your doctor, and only when it is prescribed. You should read the Instructions for Use for full information. If you still have questions, your doctor or pharmacist can help. Most people tolerate this medicine well. Common side effects include blurry vision, a headache, and changes in taste. You may also have redness, itching, and irritation or pain in your eye. These are normal if they are mild, and should go away. If these or other side effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist. It is important to continue using this medicine for as long as your doctor tells you to, even if your eye starts to feel better. As with any medicine, rare but serious side effects could occur. You should read the Patient Information Sheet to know which symptoms to watch for and when to report changes. Also, you should call your doctor right away if your condition ever seems worse instead of better. It's important to keep the bottle tip free from germs. So, don't let the tip touch anything, and keep it tightly covered when not in use. If you wear contact lenses, do not wear them while you have signs and symptoms of an infection. Gatifloxacin can potentially interact with other medicines. You should always check with your doctor or pharmacist before taking or using any other medicines. Women should check with their doctors before becoming pregnant and before breastfeeding. For best results with Gatifloxacin, follow the Instructions for Use and make sure to finish the full course prescribed by your doctor.