Famous Metronidazole And Coffee : 40 Best Tips. Metronidazole interacts with alcohol and propylene glycol (a food additive). Sometimes the foods and beverages a person consumes can interact with the medications they take.
Side effects include severe nausea stomach pain vomiting headache. The phase iv clinical study analyzes what interactions people who take flagyl and caffeine have. Metronidazole can make your chance for infection go way up!