The best replacement for cephalosporins is penicillins.

The best alternatives to cephalosporins are rated as following:
★★★★★  penicillins
★  fluoroquinolones

Your alternative for cephalosporins is not listed? Suggest!
Speaking about cephalosporins, one probably shouldn't forget about penicillin allergy.

Other search terms related to cephalosporins and their ratings are:

★★★★★ penicillin allergy
★★ clavulanic acid
★★ disulfiram like reaction
You have in mind a companion for cephalosporins and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of cephalosporins in all years. Click on graph for more.