Right lower abdomen discomfort does not hurt what's going on ah I have gastritis

Right lower abdomen discomfort, but no pain, its inducing factors are many, such as recent unreasonable diet or cold invasion, causing gastrointestinal dysfunction, it will cause this symptom, secondly, such as gastric ulcer, appendicitis and other diseases will also cause this symptom, and can not be diagnosed as gastritis, it is recommended to see a doctor for detailed examination.