Acute mumps in children is usually contagious without fever if it is mumps. However, if it is acute suppurative mumps, it is usually not contagious. Mumps is caused by the mumps virus and most often occurs in children between the ages of 5 and 15. Children may have varying degrees of fever, which usually lasts for an indeterminate period of time, from 1 to 2 days to 5 to 7 days, but some children may have a normal temperature at all times. It is important to note that mumps is contagious with or without fever. However, in the case of acute suppurative mumps, most cases are caused by staphylococcal (mainly Staphylococcus aureus) infections, while a few cases are caused by streptococcal infections, which are generally not contagious. Acute mumps in children requires prompt medical attention, a clear diagnosis, prompt treatment, and medication as prescribed by the doctor.