Symptoms
By Mayo Clinic staffUp to 1 in 5 people infected with the mumps virus has no signs or symptoms. When signs and symptoms do develop, they usually appear about two to three weeks after exposure to the virus and may include:
- Swollen, painful salivary glands on one or both sides of your face
- Pain with chewing or swallowing
- Fever
- Weakness and fatigue
The primary — and best known — sign of mumps is swollen salivary glands that cause the cheeks to puff out. In fact, the term "mumps" is an old expression for lumps or bumps within the cheeks.
When to see a doctor
If you suspect that you or your child has mumps, see your doctor. Mumps has become an uncommon illness, so it's possible that the signs and symptoms are caused by another condition. Swollen glands and a fever could be an indication of inflamed tonsils (tonsillitis) or a blocked salivary gland.
Other, rarer viruses can infect the parotid glands, causing a mumps-like illness.
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- Hoecker JL (expert opinion). Mayo Clinic, Rochester, Minn. April 1, 2010.

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