Understanding Parotitis and Its Effects on the Salivary Glands

Written by Medicover Team and Medically Reviewed by Dr Shashi Kiran Somala , ENT

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Parotitis is inflammation of the parotid glands, the largest salivary glands located on either side of the face near the ears. It can result from viral or bacterial infections, salivary duct blockage, dehydration, or certain autoimmune and systemic conditions.

Parotitis may cause swelling, pain, fever, dry mouth, and difficulty chewing or swallowing. Prompt evaluation helps identify the underlying cause and allows appropriate treatment to prevent complications such as abscess formation or recurrent gland inflammation.

What are the Types of Parotitis?

Parotitis can be classified according to its cause and duration. Identifying the type is important because treatment differs between infectious, obstructive, and chronic forms.

Viral Parotitis: Often caused by viruses such as mumps and may cause swelling of one or both parotid glands.
Bacterial Parotitis: Usually develops when bacteria enter the gland, particularly when saliva flow is reduced due to dehydration, poor oral hygiene, or duct obstruction.
Acute Parotitis: Develops suddenly and may cause painful swelling, fever, tenderness, and pus discharge.
Chronic or Recurrent Parotitis: Causes repeated or persistent inflammation and may be associated with salivary duct problems, autoimmune conditions, or reduced saliva flow.
Obstructive Parotitis: Occurs when a salivary duct is blocked, commonly by a salivary stone, resulting in swelling and pain that may become worse during meals.

What are the Symptoms of Parotitis?

The symptoms of parotitis can vary depending on whether the inflammation is caused by an infection, duct blockage, or another underlying condition. Symptoms may affect one or both parotid glands.

Swelling of one or both parotid glands
Pain and tenderness over the affected gland
Redness or warmth over the swollen area
Fever and chills, particularly with bacterial parotitis
Dry mouth
Pain or increased swelling while eating or chewing
Pus or abnormal fluid discharge from the salivary duct opening in bacterial infections
Difficulty chewing, opening the mouth, or swallowing

What are the Causes of Parotitis?

Parotitis can develop when the parotid gland becomes infected, inflamed, or obstructed. The underlying cause helps determine the appropriate treatment.

Viral Parotitis

Viral parotitis is most commonly associated with the mumps virus. Other viruses, including Epstein-Barr virus (EBV), cytomegalovirus (CMV), influenza virus, and HIV, can also cause parotid gland inflammation.

Bacterial Parotitis

Bacterial parotitis often occurs when bacteria from the mouth enter the parotid gland through its duct, particularly when saliva flow is reduced. Common organisms include Staphylococcus aureus and various Streptococcus species.

Autoimmune and Systemic Causes

Conditions such as Sjogren's syndrome can reduce saliva production and cause chronic or recurrent parotid inflammation. Other systemic conditions, including sarcoidosis and diabetes, may also be associated with parotid gland inflammation.

Other Causes

Ductal Obstruction: Salivary stones or narrowing of the salivary ducts can prevent normal saliva flow and cause recurrent parotitis.
Dehydration: Reduced fluid intake can decrease saliva production and increase the risk of bacterial infection.
Poor Oral Hygiene: Poor oral hygiene can increase the number of bacteria that may enter the salivary duct.
Medications: Some medications can reduce saliva production and increase the risk of parotid inflammation.

When to See a Doctor for Parotitis?

See an ENT doctor if you develop persistent swelling or pain around the jaw or ear, particularly when symptoms are accompanied by fever or difficulty eating. Early evaluation can help identify the cause and prevent complications.

Swelling near the jaw, cheek, or ear that persists or worsens
Pain while eating, chewing, or opening the mouth
Fever, chills, or pus draining into the mouth
Dry mouth or difficulty swallowing
Repeated episodes of swelling in the same area

Seek urgent medical care if:

Swelling rapidly increases or causes severe pain
You have difficulty breathing or swallowing
There is severe fever, confusion, or rapidly worsening illness

Prompt treatment can reduce the risk of complications such as an abscess or spread of infection.

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How Is Parotitis Diagnosed?

Parotitis is diagnosed using a physical examination, medical history, and additional tests when needed. The evaluation helps determine whether the inflammation is caused by an infection, obstruction, or another condition.

Physical Examination

The doctor examines the swollen area near the jaw and ear.
The gland is checked for tenderness, warmth, redness, and swelling.
The opening of the salivary duct may be examined for pus or abnormal discharge.

Medical History

The doctor may ask about recent infections, vaccination history, dehydration, oral hygiene, dry mouth, medications, recurrent episodes, and symptoms that worsen during meals.

Imaging Tests

Ultrasound: Can help identify salivary stones, fluid collections, or an abscess.
CT scan: May be recommended when a deeper infection, abscess, or complication is suspected.
MRI: May be used in complex or recurrent cases to assess the gland and surrounding tissues.

Laboratory Tests

Blood tests: May help identify signs of infection or inflammation.
Viral testing: May be performed when mumps or another viral infection is suspected.
Microbiological culture: Pus or saliva may be tested in bacterial cases to identify the causative organism and guide antibiotic treatment.

Accurate diagnosis helps determine the cause of parotitis and guides appropriate treatment.

What are the Treatment Options for Parotitis?

Treatment for parotitis depends on its underlying cause. Viral cases are generally managed with supportive care, while bacterial infections may require antibiotics. Treatment may also be needed to relieve salivary duct obstruction or manage an underlying condition.

Viral Parotitis

Rest and adequate hydration
Pain and fever medicines such as acetaminophen or other medicines recommended by a doctor
Cold or warm compresses to relieve swelling and discomfort
Appropriate infection-control measures when the cause is contagious, such as mumps

Bacterial Parotitis

Antibiotics: Used to treat the bacterial infection and selected according to the suspected or identified organism.
Hydration: Adequate fluid intake helps maintain saliva flow.
Warm Compresses: May help relieve pain and encourage salivary drainage.
Drainage: An abscess may require drainage by a healthcare professional.

Blocked Salivary Duct

Increasing fluid intake to support saliva production
Gentle gland massage and warm compresses when advised
Sialogogues, such as sour or sugar-free candies, may help stimulate saliva flow
A minor procedure or surgery may be required to remove a salivary stone that does not pass naturally

Chronic or Recurrent Parotitis

Treatment of underlying conditions such as Sjogren's syndrome
Maintaining good oral hygiene and adequate hydration
Regular monitoring by an appropriate specialist
Procedures to address persistent duct obstruction when necessary

Surgical Management

Surgery may be considered when parotitis is associated with persistent salivary duct obstruction, recurrent disease, an abscess that cannot be adequately drained, or a structural abnormality. The procedure depends on the underlying problem and may include stone removal, duct procedures, or removal of part or all of the affected gland in selected cases.

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How Can I Prevent Parotitis?

Some forms of parotitis cannot be completely prevented, but maintaining good oral health, adequate hydration, and appropriate vaccination can reduce the risk of certain causes.

Stay well hydrated: Drink adequate fluids to support normal saliva production.
Practice good oral hygiene: Brush, floss, and attend regular dental checkups.
Avoid smoking: Smoking can contribute to dry mouth and may increase the risk of salivary gland problems.
Manage dry mouth: Address persistent dry mouth with appropriate medical advice.
Stay up to date with vaccinations: MMR vaccination helps protect against mumps.

What are the Complications of Parotitis?

Most cases of parotitis improve with appropriate treatment, but untreated or severe inflammation can sometimes lead to complications. Prompt medical care can help reduce these risks.

Abscess Formation: A collection of pus may develop within the parotid gland, particularly with bacterial infection.
Chronic or Recurrent Parotitis: Repeated inflammation can affect normal gland function.
Spread of Infection: A severe infection can spread to nearby tissues or deeper spaces in the neck.
Salivary Gland Damage: Repeated or severe inflammation may cause lasting changes in gland function.

Our Experience Treating Parotitis at Medicover Hospitals

At Medicover Hospitals, parotitis is evaluated with attention to its underlying cause, whether it is viral, bacterial, obstructive, or related to another medical condition. Our ENT specialists can assess persistent or recurrent salivary gland swelling and recommend appropriate diagnostic tests and treatment.

Care may include medical treatment, hydration and supportive measures, management of salivary duct problems, and procedures when clinically required. Follow-up care focuses on relieving symptoms, restoring salivary gland function, and reducing the risk of recurrence.

Frequently Asked Questions

1. What virus causes parotitis?

The most common viral cause of parotitis is the mumps virus, part of the paramyxovirus family. Other viruses like influenza, Epstein-Barr virus, and coxsackievirus can also cause it in some cases.

2. How does parotitis affect my body?

Parotitis causes painful swelling of the parotid glands near the jaw. It may lead to fever, dry mouth, jaw pain, difficulty chewing, and in viral cases like mumps, it may affect other organs such as the testes or pancreas.

3. Will parotitis go away on its own?

Yes, viral parotitis often resolves on its own within 7-10 days. Supportive care, like hydration, rest, and pain relief, helps. Bacterial cases may need antibiotics and sometimes drainage if an abscess forms.

4. What questions should I ask my healthcare provider regarding parotitis?

Ask about the cause (viral or bacterial), if antibiotics are needed, how to manage pain and swelling, signs of complications, and whether it's contagious or related to other infections like mumps.

5. What is the difference between mumps and parotitis?

Mumps is a viral illness that commonly causes parotitis. Parotitis refers to inflammation of the parotid gland and can be caused by mumps or other infections. So, mumps is a cause, while parotitis is a symptom or condition.