Rheumatoid usually refers to rheumatoid arthritis, which has little to do with having a bloated stomach all the time. The causes of bloating mainly include digestive system diseases or side effects caused by medications. 1. Digestive system diseases: such as chronic gastritis, chronic cholecystitis, functional dyspepsia and other diseases, can cause abdominal bloating, abdominal pain, loss of appetite, fatigue and other symptoms. It can be diagnosed by perfect gastroscopy, carbon breath test, liver and gallbladder ultrasound. 2. Drug factors: If long-term oral non-steroidal anti-inflammatory drugs such as celecoxib may have the risk of peptic ulcer, resulting in bloating; in addition, there are iron agents such as ferrous succinate, digitalis preparations such as digoxin, calcium channel blockers such as nifedipine, theophylline drugs such as theophylline extended-release tablets can also cause abdominal bloating and other adverse reactions. It is difficult to determine what the disease is based on the symptoms of abdominal distension alone, but also based on the specific location of the abdominal distension, the time of the occurrence of abdominal distension, and other symptoms, and combined with the relevant examination to make a clear diagnosis. If rheumatoid arthritis patients have abdominal distension, it is recommended to go to the hospital in a timely manner, and follow the doctor’s instructions to standardize the diagnosis and treatment, do not blindly use drugs, so as to avoid delaying the condition.