My doctor is changing my antibiotic 5 days into my previous one for my ear infection? Will this set me back?

I took my antibiotic Cefprozil for 5 days and Ciprodex ear drops along with that. My ear is still clogged so I went today and he’s changing my prescription to Ciprofloxacin antibiotics and Neomycin/Polym/Hydro ear drops. What’s the big difference?
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