Rheumatoid arthritis is believed to be no stranger to the increasing number of patients suffering from rheumatoid keyitis in recent years. Doctors say that once rheumatoid arthritis develops, our patients will suffer a lot of pain and will bring great inconvenience to their lives. Due to the long duration of the disease, it will cause some complications after timely treatment. Many people are not very familiar with the symptoms of rheumatism, the next doctor to explain it to us: 1, pneumonia: patients often have pneumonia due to a decline in immune capacity, suffering from bacterial infections. 2, urinary tract infection: many patients do not pay attention to their bodies in daily life thus triggering urinary tract infections. 3, Cushing’s syndrome: If patients take hormones for too long, it is usually caused by the suppression of adrenal function in the body and Cushing’s syndrome. Common symptoms include full moon face, buffalo back and weight gain. 4.Mouth ulcers: Patients with gout are likely to have mouth ulcers and loss of appetite, etc. It is also crucial to adjust to the treatment. 5, infectious diseases: due to patients suffering from this disease for a long time, their own immune function has descended. When certain infectious diseases are prevalent in society, they are more susceptible to infection than normal.