Abdominal pain
Mumps is the leading cause of pancreatitis in children, and these patients may present with upper Abdominal pain. Pancreatitis pain may also radiate to the upper back. In cases of oophoritis, it would be lower abdominal pain. This is not a common or early symptom, and occurs as a complication of mumps. In these cases, mumps is usually diagnosed by the time abdominal pain starts. Thus, if your children has been diagnosed with mumps and start feeling upper or lower abdominal pain, it is a good idea to talk to your doctor as soon as possible.