
What are the symptoms of mumps? The first mumps symptoms are often mild. Many people have no symptoms and don’t know they’re infected. Symptoms also don’t appear right away. The incubation period (the time between infection and illness) ranges from seven to 25 days. Mild mumps symptoms may include: Fever. Headache. Muscle aches. Fatigue. Loss of appetite. A few days later, painful swelling of your parotid glands may occur. Your parotid glands are salivary glands located between your ears and jaw. The swelling, known as parotitis, can occur on one or both sides of your face. This classic sign of mumps looks like “chipmunk cheeks” because your cheeks puff up and your jaw swells. Parotitis occurs in more than 70% of mumps cases. It’s important to remember that many different viruses and bacteria can cause parotitis. So it doesn’t always mean infection by the mumps virus. Rarely, mumps can affect your organs, including your brain, pancreas, testicles or ovaries. This usually only occurs in adolescents and adults, but call your child’s healthcare provider right away if they develop any of the following severe symptoms: High fever. Stiff neck. Severe headache. Confusion. Stomach pain. Vomiting. Seizures.