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Differences between viral and bacterial parotitis
| Viral parotitis (mumps) | Bacterial parotitis |
|---|---|
| Well-appearing | Toxic-appearing or ill-looking |
| No fever or low-grade fever | High fever |
| Mild tenderness | Moderate or severe tenderness |
| Normal labs, positive mumps IgM | Leukocytosis, shift to the left, high CRP |
IgM Immunoglobulin M, CRP C-reactive protein
