Will flagyl worsen my reflux and burping/hiccups? i'm treating d.fragilis

Yes: 75 to 80% of patients wih d.fragilis have resolution of their symptoms by taking a course of metronidazole even though half of those will still have evidence of the organism in their gut. Side effects include nausea, diarrhea, weight loss, abdominal pain, vomiting, headache, dizziness, metallic taste, and others. It is one drug that will truely make you sick if you drink ANY alcohol while taking.