The best replacement for penicillin is amoxicillin.

The best alternatives to penicillin are rated as following:
★★★★★  amoxicillin
★★★  cephalosporin
★★★  ampicillin
★★  erythromycin
★★  antibiotics
★  clindamycin
★  azithromycin
★  cephalexin
★  tetracycline
★  keflex
★  penicillin vk
★  amoxicillin allergy
★  penicillium
★  antibiotic
★  amoxicillin which is better
★  penicillin g
  penicillin
  ciprofloxacin
  augmentin
  doxycycline
  la 200
  sulfa
  zithromax
  human penicillin
  amoxicillin antibiotic
  vancomycin
  levaquin
  cephalosporin allergy
  amoxicillin stronger
  antibiotika
  streptomycin
  minocycline
  omnicef
  other antibiotics
  cefadroxil
  cefazolin

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

Other search terms related to penicillin and their ratings are:
★★★★★ alcohol
★★★★ ibuprofen
★★ beta lactamase inhibitor
★ dairy
★ advil
clavulanic acid
probenecid
tetracycline
You have in mind a companion for penicillin and it is not yet here? Propose!



Google Trends

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