Can I take Zantac 150 for GERD and then 2 hours later take Kaopectate for diarrhea?

Yes, you can take Zantac 150 for GERD and then take Kaopectate for diarrhea two hours later. They do not have known significant interactions. However, it's always best to consult with a healthcare professional before combining medications to ensure safety and effectiveness based on your specific health situation.