The best replacement for kaopectate is pepto bismol.

The best alternatives to kaopectate are rated as following:
★★★★★  pepto bismol
★★★★  imodium
★  maalox
★  pepto
★  imodium ad
  pepto bismo

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

Other search terms related to kaopectate and their ratings are:

★★★★★ kaolin
You have in mind a companion for kaopectate and it is not yet here? Propose!

Google Trends

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