An indication for ultrasound of the salivary glands is painful swelling of the cheek area in front of the ears or discomfort felt backwards from the chin. The complaints usually worsen when eating and talking. A common symptom indicating pathologies of the salivary glands is also an unpleasant smell from the mouth and a chronic feeling of dry mouth. In the event of the above symptoms, you should see a doctor who will determine whether an ultrasound of the salivary glands and / or an ultrasound of the neck lymph nodes is necessary.