Taking anti-inflammatory drugs regurgitation is due to the stimulation of the gastric mucosa by anti-inflammatory drugs such as antibiotics, antibiotics are one of the most common drugs that can cause damage to the gastric mucosa, which is prone to congestion and edema of the gastric mucosa, or even acute erosions or ulcers with hemorrhage and other changes. Therefore, part of the population in the oral administration of such drugs will appear regurgitation, acid reflux, nausea, vomiting, or even black stools and other symptoms, it is recommended that patients who are taking anti-inflammatory drugs, the above discomfort should be appropriate to stop the drug or change the drug. If necessary, go to the hospital to improve the gastroscopy examination, to exclude the possibility of gastric mucosal lesions.