Salivary gland infection, also known as sialadenitis, occurs when bacteria or viruses infect one of the salivary glands. These glands, including the parotid, submandibular, and sublingual glands, produce saliva to aid in digestion and maintain oral health. Infection often develops when saliva flow is reduced or blocked, allowing bacteria to accumulate. When the gland becomes infected, inflammation leads to swelling, pain, and sometimes pus formation. Bacterial infections are commonly associated with blockage, such as salivary gland stones, while viral infections, such as mumps, can affect the glands more broadly. The affected gland may become tender and enlarged, especially during eating when saliva production increases. If this process continues, the infection may worsen and spread to surrounding tissues. In some cases, repeated infections can lead to chronic inflammation or reduced gland function. Early evaluation helps manage symptoms and address underlying causes.
UnderstandingÂ
Salivary Gland Infection
Clinical Significance
Can lead to pain, abscess formation, spread of infection, reduced saliva flow, and recurrent infections if untreated.
Common Causes
Bacterial infection, viral infection (such as mumps), salivary gland stones, dehydration, reduced saliva flow, poor oral hygiene, immune compromise
Signs & Symptoms
Pain and swelling near jaw or cheek, tenderness, pus discharge, bad taste, fever, dry mouth, increased pain during meals
How It's Detected
Clinical exam, patient symptoms, palpation of gland, imaging (ultrasound or CT), evaluation for stones or blockage, laboratory tests if needed
Treatment Options
Antibiotics (for bacterial infection), hydration, gland massage, warm compresses, sialogogues to stimulate saliva, removal of obstruction, drainage if abscess forms, no treatment not recommended when infection is present
Benefits to Treatment
Reduces infection, relieves pain and swelling, restores saliva flow, prevents complications, improves gland function
Prevention
Stay hydrated, maintain good oral hygiene, stimulate saliva flow, manage underlying conditions, regular dental visits, early treatment of salivary stones
Frequently Asked Questions
What does a salivary gland infection feel like?
A salivary gland infection often causes pain and swelling near the affected gland, such as under the jaw or in front of the ear. In many cases, the discomfort may worsen during meals when saliva production increases. Some individuals also notice tenderness, a bad taste, or pus discharge from the duct.
What causes a salivary gland infection?
Salivary gland infections are commonly caused by bacteria, especially when saliva flow is reduced or blocked. In many cases, salivary stones or dehydration contribute to this process. Viral infections, such as mumps, can also affect the glands. Identifying the underlying cause helps guide treatment.
How is a salivary gland infection treated?
Treatment depends on the cause of the infection. Bacterial infections are typically managed with antibiotics. In many cases, supportive measures such as hydration, warm compresses, and gland massage are also recommended. If a blockage such as a stone is present, it may need to be removed to fully resolve the issue.
Can a salivary gland infection go away on its own?
Some mild cases may improve with supportive care, especially if saliva flow increases. However, bacterial infections often require treatment to fully resolve. In many cases, untreated infection may persist or worsen, so evaluation is recommended when symptoms are present.
When should I seek care for a salivary gland infection?
You should seek evaluation if you experience persistent swelling, pain, fever, or pus discharge. In many cases, early treatment helps prevent complications and improves recovery. Prompt care is especially important if symptoms worsen or do not improve.