Acute Maxillary Sinusitis: What It Is and How It Is Treated

Written by Medicover Team and Medically Reviewed by Dr Neha A Padia , ENT

Acute maxillary sinusitis, often simply referred to as sinusitis, is an inflammatory condition that affects the maxillary sinuses. This condition can significantly impact one's quality of life due to its painful symptoms and potential complications if left untreated.

What Are the Types of Maxillary Sinusitis?

Maxillary sinusitis can be classified into different types based on the duration and severity of symptoms.

Acute Maxillary Sinusitis

Acute maxillary sinusitis is characterized by a sudden onset of symptoms that typically last for less than four weeks. This type is often caused by a bacterial infection following a viral upper respiratory infection.

Subacute Maxillary Sinusitis

Subacute sinusitis refers to symptoms that persist for four to twelve weeks. This type can be more challenging to treat and may require prolonged therapy.

Chronic Maxillary Sinusitis

Chronic sinusitis involves symptoms that last for more than twelve weeks. It often results from repeated infections or prolonged inflammation and can lead to significant complications if not properly managed.

Recurrent Acute Maxillary Sinusitis

This type is defined by multiple episodes of acute sinusitis occurring within a year, with each episode lasting less than four weeks. Recurrent acute sinusitis typically necessitates a thorough evaluation to identify underlying causes.

What Are the Symptoms of Acute Maxillary Sinusitis?

The symptoms of acute maxillary sinusitis can be quite debilitating and typically include:

Nasal Congestion and Discharge

One of the most common symptoms is nasal congestion accompanied by a thick, yellow or green nasal discharge. This discharge can often drip down the back of the throat, leading to a condition known as postnasal drip.

Facial Pain and Pressure

Patients often experience pain and a feeling of pressure in the cheek area, which can be exacerbated by bending over or lying down. This pain may also extend to the upper teeth and jaw.

Reduced Sense of Smell and Taste

Another frequent symptom is a diminished ability to smell and taste, which can persist for the duration of the infection.

Additional Symptoms

Other symptoms may include fever, fatigue, bad breath (halitosis), and a general feeling of being unwell.

What Are the Causes of Acute Maxillary Sinusitis?

Understanding the causes of acute maxillary sinusitis is essential for effective treatment and prevention.

Infectious Agents

The primary cause of acute maxillary sinusitis is a bacterial, viral, or fungal infection. The most common pathogens include Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis.

Allergies and Irritants

Allergic reactions to pollen, dust, and other allergens can contribute to the inflammation of the maxillary sinuses. Environmental irritants such as smoke and pollution can also exacerbate the condition.

Anatomical Factors

Certain anatomical issues, such as a deviated septum or nasal polyps, can obstruct sinus drainage and lead to infection.

Other Contributing Factors

Factors such as a weakened immune system, dental infections, and upper respiratory tract infections can also play a role in the development of acute maxillary sinusitis.

When to See a Doctor (ENT Specialist / Otolaryngologist)?

If your sinus symptoms persist beyond 10 days, worsen after initial improvement, or cause severe facial pain and fever, consulting an ENT specialist is essential to prevent serious complications or chronic infection.

You should see a doctor if you have:

Get medical help immediately if:

These could be signs of a serious complication like Acute Maxillary Sinusitis, which needs urgent care.

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Diagnosis of Acute Maxillary Sinusitis

The diagnosis of acute maxillary sinusitis involves a combination of clinical evaluation and diagnostic tests.

Medical History and Physical Examination

A thorough medical history and physical examination are crucial for diagnosing acute maxillary sinusitis. The healthcare provider will assess symptoms, duration, and potential triggers.

Imaging Studies

Imaging studies such as X-rays, CT scans, or MRI can help visualize the sinuses and identify any anatomical abnormalities or extent of the infection.

Nasal Endoscopy

A nasal endoscopy involves inserting a thin, flexible tube with a camera into the nasal passages to directly visualize the sinuses and obtain samples for culture if necessary.

Laboratory Tests

Laboratory tests, including cultures of nasal discharge, can identify the specific pathogens responsible for the infection and guide appropriate treatment.

What is the Treatment of Acute Maxillary Sinusitis?

The treatment of acute maxillary sinusitis aims to alleviate symptoms, eradicate the infection, and prevent complications.

Antibiotics

For bacterial sinusitis, antibiotics are often prescribed to eliminate the infection. Commonly used antibiotics include amoxicillin, doxycycline, and trimethoprim-sulfamethoxazole. The choice of antibiotic and duration of treatment depend on the severity of the infection and patient-specific factors.

Decongestants and Antihistamines

Decongestants can help reduce nasal congestion and improve sinus drainage. Antihistamines may also be beneficial for patients with underlying allergies that contribute to sinus inflammation.

Pain Relievers and Antipyretics

Over-the-counter pain relievers such as acetaminophen or ibuprofen can help manage pain and reduce fever associated with acute maxillary sinusitis.

Nasal Irrigation and Steam Inhalation

Nasal irrigation with saline solutions can help clear nasal passages and reduce inflammation. Steam inhalation can also provide relief by moisturizing and soothing the nasal passages.

Surgical Intervention

In severe or refractory cases, surgical intervention may be necessary. Procedures such as f unctional endoscopic sinus surgery (FESS) can help remove obstructions and improve sinus drainage.

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Prevention of Acute Maxillary Sinusitis

Preventing acute maxillary sinusitis involves adopting lifestyle changes and measures to reduce the risk of infection and inflammation.

Good Hygiene Practices

Frequent handwashing and avoiding close contact with individuals who have respiratory infections can help reduce the risk of developing sinusitis.

Managing Allergies

Proper management of allergies through medications or immunotherapy can prevent allergic reactions that contribute to sinus inflammation.

Avoiding Environmental Irritants

Minimizing exposure to smoke, pollution, and other irritants can help prevent sinusitis.

Maintaining Hydration

Staying well-hydrated helps keep mucus thin and promotes effective sinus drainage.

Using a Humidifier

Using a humidifier in dry environments can help maintain moisture in the nasal passages and reduce the risk of infection

What to Expect During Recovery from Acute Maxillary Sinusitis

Recovery from Acute Maxillary Sinusitis is usually complete within one to three weeks with appropriate treatment. Most individuals experience gradual relief of facial pain, nasal congestion, and sinus pressure, while severe or bacterial cases may require antibiotics and close follow-up.