Diarrhea may be decreased by oral loperamide 2 to 4 mg 3 or 4 times a day (preferably given 30 minutes before meals), diphenoxylate 2.5 to 5 mg (tablets or liquid) 3 or 4 times a day, oral codeine phosphate 15 to 30 mg 2 or 3 times a day, or paregoric (camphorated opium tincture) oral liquid 5 to 10 mL once a day to 4 times a day.