Patients may experience edema after an anti-inflammatory injection, but this symptom is not necessarily caused by the medication. In addition, patients may be allergic to the drug and may experience edema, which may be accompanied by skin rashes and itchy skin. In addition, some patients may have cardiac insufficiency due to heart disease, and if the infusion rate is too fast during intravenous infusion, it may cause heart failure, and there may be edema of the lower limbs, and it may be accompanied by symptoms such as chest tightness, panic, and difficulty in breathing. Further examination is needed to identify the cause of the edema after this occurs, and active treatment will be given according to the cause.