The best replacement for pepto bismol is imodium.

The best alternatives to pepto bismol are rated as following:
★★★★★  imodium
★★★★★  tums
★★★★  kaopectate
★★★  mylanta
★★★  maalox
★★  alka seltzer
★★  pepcid
★  milk of magnesia
★  gaviscon
★  gas x
★  immodium
★  rolaids
★  imodium ad
  pepcid ac
  immodium ad

Your alternative for pepto bismol is not listed? Suggest!
Speaking about pepto bismol, one probably shouldn't forget about tums.

Other search terms related to pepto bismol and their ratings are:

★★★★★ tums
★★★★ gas x
★★★★ zantac
★★★★ prilosec
★★★ imodium
You have in mind a companion for pepto bismol and it is not yet here? Propose!

Google Trends

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pepto bismol