DDx ⬇
- Sialolithiasis (salivary gland calculi)
- Salivary gland tumor
- Facial cellulitis
- Dental abscess
- TMJ syndrome
- Trigeminal neuralgia
- Lymphadenopathy (eg, from conjunctivitis, otitis media, sinusitis)
- Parotid enlargement due to starch ingestion
Related DDx ⬆ ⬇
Etiology ⬆
- Viral: mumps, HIV, influenza, Epstein-Barr virus, cytomegalovirus, coxsackie
- Bacterial infection, eg, S. aureus
- Sjögren’s syndrome
- Sarcoidosis
- Amyloidosis
- Alcohol
- Bulimia
- Dehydration
- Diabetes, cirrhosis, chronic pancreatitis
- Vitamin deficiency
- Acromegaly
- Drugs: antithyroid drugs, iodine, cholinergics, eg, phenothiazines