List of drugs used to treat diarrhea, including various medications for diarrhea treatments. These medical treatments that are used to fight diarrhea are in alphabetical order, and may include pictures when available. If you are wondering, "What drugs are used to treat diarrhea?" consider that there are a variety of ways to treat diarrhea conditions. This diarrhea drug list includes the most common diarrhea medications and may include prescription drugs and nonprescription medications.List contains items like Ginger and Opium.