A course of quadruple therapy is a little upset stomach, not to take mosapride citrate. Quadruple therapy is a way of treating Helicobacter pylori infection in the stomach, and there are uncomfortable symptoms after using the medicine to consider that it may be the adverse reaction of antibiotics. It contains two antibiotics may cause stomach discomfort due to some irritation to the gastric mucosa and should be taken after meals. If you consider that the discomfort is caused by antibiotics, you can change the antibiotics if the discomfort is obvious, and the discomfort can be improved after stopping the drug. Mosapride citrate belongs to the pro-dynamic drugs on the drug stimulation of the gastric mucosa has no improvement effect, and there is no eradication of Helicobacter pylori, so it can not be taken. In the application of quadruple therapy treatment of gastric discomfort need to consult a doctor in a timely manner, by the physician to understand the condition of the treatment, do not stop or take their own medication.