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Symptoms of Sinusitis

  • The location of your sinus pain depends on which sinus is affected.
  • Headache when you wake up in the morning is typical of a sinus problem.
  • Pain when your forehead over the frontal sinuses is touched may indicate that your frontal sinuses are inflamed.
  • Infection in the maxillary sinuses can cause your upper jaw and teeth to ache and your cheeks to become tender to the touch.

Since the ethmoid sinuses are near the tear ducts in the corner of the eyes, inflammation of these cavities often causes swelling of the eyelids and tissues around your eyes, and pain between your eyes. Ethmoid inflammation also can cause tenderness when the sides of your nose are touched, a loss of smell, and a stuffy nose.

Although the sphenoid sinuses are less frequently affected, infection in this area can cause earaches, neck pain, and deep aching at the top of your head.

Most people with sinusitis, however, have pain or tenderness in several locations, and their symptoms usually do not clearly indicate which sinuses are inflamed.
 

Other symptoms of sinusitis can include:

  • Fever
  • Weakness
  • Tiredness
  • A cough that may be more severe at night
  • Runny nose (rhinitis) or nasal congestion


In addition, the drainage of mucus from the sphenoid or other sinuses down the back of your throat (postnasal drip) can cause you to have a sore throat. Mucus drainage also can irritate the membranes lining your larynx (upper windpipe). Not everyone with these symptoms, however, has sinusitis.

On rare occasions, acute sinusitis can result in brain infection and other serious complications.
 

Some Causes of Acute Sinusitis

Most cases of acute sinusitis start with a common cold, which is caused by a virus. These viral colds do not cause symptoms of sinusitis, but they do inflame the sinuses. Both the cold and the sinus inflammation usually go away without treatment in 2 weeks. The inflammation, however, might explain why having a cold increases your likelihood of developing acute sinusitis. For example, your nose reacts to an invasion by viruses that cause infections such as the common cold or flu by producing mucus and sending white blood cells to the lining of the nose, which congest and swell the nasal passages.

When this swelling involves the adjacent mucous membranes of your sinuses, air and mucus are trapped behind the narrowed openings of the sinuses. When your sinus openings become too narrow, mucus cannot drain properly. This increase in mucus sets up prime conditions for bacteria to multiply.

Most healthy people harbor bacteria, such as Streptococcus pneumoniae and Haemophilus influenzae, in their upper respiratory tracts with no problems until the body's defenses are weakened or drainage from the sinuses is blocked by a cold or other viral infection. Thus, bacteria that may have been living harmlessly in your nose or throat can multiply and invade your sinuses, causing an acute sinus infection.

Sometimes, fungal infections can cause acute sinusitis. Although fungi are abundant in the environment, they usually are harmless to healthy people, indicating that the human body has a natural resistance to them. Fungi, such as Aspergillus, can cause serious illness in people whose immune systems are not functioning properly. Some people with fungal sinusitis have an allergic-type reaction to the fungi.

Chronic inflammation of the nasal passages also can lead to sinusitis. If you have allergic rhinitis or hay fever, you can develop episodes of acute sinusitis. Vasomotor rhinitis, caused by humidity, cold air, alcohol, perfumes, and other environmental conditions, also may be complicated by sinus infections.

Acute sinusitis is much more common in some people than in the general population. For example, sinusitis occurs more often in people who have reduced immune function (such as those with primary immune deficiency diseases or HIV infection) and with abnormality of mucus secretion or mucus movement (such as those with cystic fibrosis).
 

Causes of Chronic Sinusitis

It can be difficult to determine the cause of chronic sinusitis. Some investigators think it is an infectious disease but others are not certain. It is an inflammatory disease that often occurs in patients with asthma. If you have asthma, an allergic disease, you may have chronic sinusitis with exacerbations. If you are allergic to airborne allergens, such as dust, mold, and pollen, which trigger allergic rhinitis, you may develop chronic sinusitis. An immune response to antigens in fungi may be responsible for at least some cases of chronic sinusitis. In addition, people who are allergic to fungi can develop a condition called "allergic fungal sinusitis." If you are subject to getting chronic sinusitis, damp weather, especially in northern temperate climates, or pollutants in the air and in buildings also can affect you.

If you have an immune deficiency disease or an abnormality in the way mucus moves through and from your respiratory system (e.g., primary immune deficiency, HIV infection, and cystic fibrosis) you might develop chronic sinusitis with frequent flare-ups of acute sinusitis due to infections. In otherwise normal individuals, sinusitis may or may not be infectious. In addition, if you have severe asthma, nasal polyps (small growths in the nose), or a severe asthma attacks caused by aspirin and aspirin-like medicines such as ibuprofen, you might have chronic sinusitis.
 

Diagnosis

Because your nose can get stuffy when you have a condition like the common cold, you may confuse simple nasal congestion with sinusitis. A cold, however, usually lasts about seven to 14 days and disappears without treatment. Acute sinusitis often lasts longer and typically causes more symptoms than just a cold.

Your doctor can diagnose sinusitis by listening to your symptoms, doing a physical examination, taking X-rays, and if necessary, an MRI or CT scan (magnetic resonance imaging and computed tomography).
 

Treatment of Sinusitis

After diagnosing sinusitis and identifying a possible cause, a doctor can suggest treatments that will reduce your inflammation and relieve your symptoms.
 

Acute Sinusitis

If you have acute sinusitis, your doctor may recommend:

  • Decongestants to reduce congestion
  • Antibiotics to control a bacterial infection, if present
  • Pain relievers to reduce any pain

You should, however, use over-the-counter or prescription decongestant nose drops and sprays for only few days. If you use these medicines for longer periods, they can lead to even more congestion and swelling of your nasal passages.

If bacteria cause your sinusitis, antibiotics used along with a nasal or oral decongestant will usually help. Your doctor can prescribe an antibiotic that fights the type of bacteria most commonly associated with sinusitis.

Many cases of acute sinusitis will end without antibiotics. If you have allergic disease along with sinusitis, however, you may need medicine to relieve your allergy symptoms. If you already have asthma then get sinusitis, you may experience worsening of your asthma and should be in close touch with your doctor.

In addition, your doctor may prescribe a steroid nasal spray, along with other treatments, to reduce your sinus congestion, swelling, and inflammation.
 

Chronic Sinusitis

Doctors often find it difficult to treat chronic sinusitis successfully, realizing that symptoms persist even after taking antibiotics for a long period. As discussed below, many doctors treat with steroids such as steroid nasal sprays. Many doctors do treat chronic sinusitis as though it is an infection, by using antibiotics and decongestants. Other doctors use both antibiotics and steroid nasal sprays. Further research is needed to determine what is the best treatment.

Some people with severe asthma are said to have dramatic improvement of their symptoms when their chronic sinusitis is treated with antibiotics.

Doctors commonly prescribe steroid nasal sprays to reduce inflammation in chronic sinusitis. Although doctors occasionally prescribe these sprays to treat people with chronic sinusitis over a long period, doctors don't fully understand the long-term safety of these medications, especially in children. Therefore, doctors will consider whether the benefits outweigh any risks of using steroid nasal sprays.

If you have severe chronic sinusitis, your doctor may prescribe oral steroids, such as prednisone. Because oral steroids are powerful medicines and can have significant side effects, you should take them only when other medicines have not worked.

Although home remedies cannot cure sinus infection, they might give you some comfort:

  • Inhaling steam from a vaporizer or a hot cup of water can soothe inflamed sinus cavities.
  • Saline nasal spray, which you can buy in a drug store, can give relief.
  • Gentle heat applied over the inflamed area is comforting.
  • When medical treatment fails, surgery may be the only alternative for treating chronic sinusitis. Research studies suggest that the vast majority of people who undergo surgery have fewer symptoms and better quality of life.

In children, problems often are eliminated by removal of adenoids obstructing nasal-sinus passages.

Adults who have had allergic and infectious conditions over the years sometimes develop nasal polyps that interfere with proper drainage. Removal of these polyps and/or repair of a deviated septum to ensure an open airway often provides considerable relief from sinus symptoms.

The most common surgery done today is functional endoscopic sinus surgery, in which the natural openings from the sinuses are enlarged to allow drainage. This type of surgery is less invasive than conventional sinus surgery, and serious complications are rare.