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Sinusitis

Definition

Sinusitis is inflammation of the sinuses. It occurs as the result of an infection from a virus, bacteria, or fungus.

Alternative Names

Acute sinusitis; Sinus infection; Sinusitis - acute; Sinusitis - chronic; Rhinosinusitis

Causes

The sinuses are air-filled spaces in the skull. They are located behind the forehead, nasal bones, cheeks, and eyes. Healthy sinuses contain no bacteria or other germs. Most of the time, mucus is able to drain out and air is able to flow through the sinuses.

When the sinus openings become blocked or too much mucus builds up, bacteria and other germs can grow more easily.

Sinusitis can occur from one of these conditions:

There are two types of sinusitis:

The following may increase the risk that an adult or child will develop sinusitis:

Symptoms

The symptoms of acute sinusitis in adults very often follow a cold that does not get better or that gets worse after 5 - 7 days. Symptoms include:

Symptoms of chronic sinusitis are the same as those of acute sinusitis. However, the symptoms tend to be milder and last longer than 12 weeks.

Symptoms of sinusitis in children include:

Exams and Tests

The doctor will examine you or your child for sinusitis by:

The doctor may view the sinuses through a fiberoptic scope (called nasal endoscopy or rhinoscopy) to diagnose sinusitis. This is often done by doctors who specialize in ear, nose, and throat problems (ENTs).

Imaging tests that may be used to decide on treatment are:

Most of the time, regular x-rays of the sinuses do not diagnose sinusitis well.

If you or your child has sinusitis that does not go away or keeps returning, other tests may include:

Treatment

SELF CARE

Try the following steps to reduce congestion in your sinuses:

Be careful with use of over-the-counter spray nasal decongestants. They may help at first, but using them for more than 3 - 5 days can make nasal stuffiness worse.

To help ease sinus pain or pressure:

MEDICINE AND OTHER TREATMENTS

Most of the time, antibiotics are not needed for acute sinusitis. Most of these infections go away on their own. Even when antibiotics do help, they may only slightly reduce the time it takes for the infection to go away. Antibiotics may be prescribed sooner for:

Acute sinusitis should be treated for 10 - 14 days. Chronic sinusitis should be treated for 3 - 4 weeks. Some people with chronic sinusitis may need special medicines to treat fungal infections.

At some point, your doctor will consider:

Other treatments for sinusitis include:

Surgery to enlarge the sinus opening and drain the sinuses may also be needed. You mayo consider this procedure if:

Most fungal sinus infections need surgery. Surgery to repair a deviated septum or nasal polyps may prevent the condition from returning.

Outlook (Prognosis)

Most sinus infections can be cured with self-care measures and medical treatment. If you are having repeated attacks, you should be checked for causes such as nasal polyps or other problems, such as allergies.

Possible Complications

Although very rare, complications may include:

When to Contact a Medical Professional

Call your doctor if:

A green or yellow discharge does not mean that you definitely have a sinus infection or need antibiotics.

Prevention

The best way to prevent sinusitis is to avoid colds and flu or treat problems quickly.

Other tips for preventing sinusitis:

References

O'Handley, Tobin EJ, Shah AR. Otorhinolaryngology. In: Rakel RE, ed. Textbook of Family Medicine. 8th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 19.

Cincinnati Children's Hospital Medical Center. Evidence-based care guideline for management of acute bacterial sinusitis in children 1 to 18 years of age. Cincinnati (OH): Cincinnati Children's Hospital Medical Center; 2006.

Chow AW, Benninger MS, Brook I, Brozek JL, Goldstein EJ, Hicks LA, et al. IDSA clinical practice guideline for acute bacterial rhinosinusitis in children and adults. Clin Infect Dis. 2012; 54:e72-e112.

Rosenfeld RM, Andes D, Bhattacharyya N, Cheung D, Eisenberg S, Ganiats TG, et al. Clinical practice guideline: adult sinusitis. Otolaryngol Head Neck Surg. 2007;137:S1-S31.


Review Date: 5/18/2014
Reviewed By: Ashutosh Kacker, MD, BS, Professor of Clinical Otolaryngology, Weill Cornell Medical College, and Attending Otolaryngologist, New York-Presbyterian Hospital, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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