Careprost Eye Drops 3 ml are only to be used externally. To avoid infection, burst the seal and wash your hands before using it. If you wear contact lenses, remove them before using Careprost Eye Drops 3 ml, and then replace those 15 minutes later. In certain circumstances, you may feel eye irritation and conjunctival hyperemia (eye inflammation). The majority of these Careprost Eye Drops 3 ml side effects are temporary, don't require medical attention, and go away on their own. However, if the negative effects do not go away, see your doctor.