The symptoms of pediatric synovitis do not disappear in a few days and should be judged according to the severity of the disease. In general, pediatric synovitis occurs in children between the ages of 3 and 12 years old. The main symptoms are swelling and pain, and some patients may also have fever, increased skin temperature, and limited joint movement. If the symptoms are mild, the child may not experience persistent pain and will recover in about 7 days without strenuous exercise. However, if the child’s symptoms are severe and conservative treatment is ineffective, surgery should be performed in a timely manner to prevent long-term effects on the child’s health. Since the child is in the developmental stage, he or she can recover in about a month after surgery. Therefore, if your child is suffering from synovitis, it is important to treat it promptly, and to give your child more rest, reduce the amount of activity, elevate the affected limb, avoid strenuous exercise, and pay attention to a balanced nutritional intake. As for how long it takes for the symptoms to disappear, don’t be overly nervous, just follow the doctor’s instructions and treat it actively.