what is cortisporin tc
How to use Cortisporin-TC otic. This ear drop is used to treat outer ear infections caused by bacteria (also known as swimmer's ear). This product contains neomycin and colistin, which are antibiotics that work by stopping the growth of bacteria.his medication treats only bacterial ear infections. It will not work for other types of ear infections. Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness. This medication is usually used 3 or 4 times a day or as directed by your doctor.