Salivary gland obstruction results in pain and swelling in the cheek or under the jawline while eating, and foul-tasting drainage into the mouth. Such obstruction can also progress to severe infection ...

[24] examined 203 patients within 3 months of 131 I therapy (100-200 mCi) and found that 67 patients (33%) had symptoms of sialadenitis usually manifesting itself as bilateral parotid swelling.