Parotitis
Alerts and Notices
Synopsis

Predisposing factors include diabetes or other immunocompromise, recent surgery, poor oral hygiene, poor oral intake, and severe dehydration.
Common etiologies include:
- Bacterial infection, most commonly Staphylococcus aureus and Mycobacterium avium, and viridans streptococci
- Viral infection, eg, paramyxovirus (mumps), Epstein-Barr virus, cytomegalovirus, human immunodeficiency virus
- Autoimmune disease, eg, Sjögren syndrome
- Medications / toxins
- Decreased salivary flow or blockage secondary to poor hydration in elderly patients with reduced oral intake, or postoperative patients, especially after hip and abdominal surgeries
Related topic: suppurative parotitis
Codes
ICD10CM:K11.20 – Sialoadenitits, unspecified
SNOMEDCT:
14756005 – Parotitis
Look For
Subscription Required
Diagnostic Pearls
Subscription Required
Differential Diagnosis & Pitfalls
- Sjögren syndrome
- Drug-induced xerostomia
- Neoplasm, including Burkitt lymphoma
Best Tests
Subscription Required
Management Pearls
Subscription Required
Therapy
Subscription Required
Drug Reaction Data
Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.Subscription Required
References
Subscription Required
Last Reviewed:03/20/2018
Last Updated:10/05/2022
Last Updated:10/05/2022