FZ Eye/Ear Drops is an antifungal medication that treats eye/ear infections. It works by killing the fungi in the ear/eye by destroying their cell membrane. FZ Eye/Ear Drops is for external use only. Use it in the dose and duration as advised by your doctor. Wash your hands before and after applying the medicine. Hold the dropper close to the eye/ear without touching it. This medicine should be used regularly to get the most benefit from it. The effects of the medicine can be increased by keeping the affected area clean and dry, and washing hands before and after treating the infection. It may cause irritation and burning sensation immediately following application. However, these side effects are temporary and usually subside on their own. Inform your doctor if they persist for a longer duration. Do not wear contact lenses while using it for the eyes. Do not use the open bottle for more than 4 weeks. It is not likely that other medicines you take by mouth or injection will affect the way this medicine works, but talk to your doctor before using it if you have recently used another medicine that contains a steroid or had an allergic reaction to another antifungal medicine. This medicine should only be used if it is clearly needed if you are pregnant or breastfeeding. Ask your doctor if it is safe.