The best replacement for ertapenem is imipenem.

The best alternatives to ertapenem are rated as following:
★★★★★  imipenem
★★★  zosyn
★★  ceftriaxone
★  meropenem
★  doripenem

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

Other search terms related to ertapenem and their ratings are:

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

Google Trends

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