If you have an allergy to Careprost Eye Drop, other antibiotics, or sulfa medications, avoid using Careprost Eye Drop. Tell your doctor about everything you use, including over-the-counter and prescription eye drugs, as well as any items containing vitamins and aspirin. Before beginning Careprost Eye Drop, let your doctor know if you have renal problems, uveitis, macular edema, or if you are pregnant or nursing. A dosage adjustment might be necessary. Please let your doctor know if you take any additional eye medications. After usage, replace the outer cap. Because touching the tip of the bottle could contaminate the Careprost Eye Drop, avoid touching your eyes, eyelids, or surrounding tissues.