These patients can then develop systemic dermatitis if treated with an aminoglycoside antibiotic, such as gentamicin, which stimulates the immune system through cross reactivity. Bacitracin ...

Bacitracin is a polypeptide antibiotic that is chemically unrelated ... When a patient's history suggests a type I reaction to bacitracin, the patient should be observed for a minimum of 1 hour ...