Probiotics consisting of Lactobacillus Acidophilus and Bifidus - although not a cure in themselves - are an important addition to any therapy for H. Pylori infection to help inhibit the bug, and to counteract any headaches, early-morning nausea, or general dyspepsia associated with low stomach acid alone, or following antibiotic therapy, with the acidophilus being best taken at bedtime. Some patients only tolerate the lactobacillus acidophilus, without the bifidus, while others don't tolerate any probiotics at all... Full Text