Final answer:
One option for a different medication after amoxicillin treatment failure for an ear infection in a 7-year-old child is azithromycin, which targets bacterial ribosomes. It is important to consult with a healthcare professional for the most appropriate medication.
Step-by-step explanation:
Since the 7-year-old child failed amoxicillin treatment for the ear infection, the PA may prescribe a different antibiotic to target the infection. One possible medication is azithromycin, which targets bacterial ribosomes rather than peptidoglycan. This antibiotic has been shown to be effective in treating respiratory tract and skin infections, as well as some types of ear infections. It is important to consult with a healthcare professional to determine the most appropriate medication based on the child's specific condition.