The most common minor side effects of topical antibiotics are itching or burning. These problems usually do not require medical treatment unless they do not go away or they interfere with normal activities.
If any of the following side effects occur, a doctor should be called as soon as possible:
hearing loss or ringing in the ears
Other rare side effects may occur. Anyone who has unusual symptoms after using a topical antibiotic should get in touch with the physician who prescribed or the pharmacist who recommended the medication.