The best replacement for meropenem is imipenem.

The best alternatives to meropenem are rated as following:
★★★★★  imipenem
★★★  ertapenem
★★★  doripenem
★★  cefepime
★★  zosyn
★  tazocin
★  piperacillin tazobactam
★  imipenem cilastatin
★  ceftriaxone
★  primaxin
★  ceftazidime

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

Other search terms related to meropenem and their ratings are:

★★★★★ penicillin allergy
★★ sulbactam
You have in mind a companion for meropenem and it is not yet here? Propose!

Google Trends

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