Sinusitis in Children
What is sinusitis in children?
Sinusitis is an infection of the sinuses. These infections usually happen after a
cold or with allergies. There are 3 types of sinusitis:
- Short-term (acute). Symptoms of this type of infection last less than 12 weeks and get better with the
- Long-term (chronic). These symptoms last longer than 12 weeks.
- Recurrent. This means the infection comes back again and again. It means 3 or more episodes
of acute sinusitis in a year.
The sinuses are cavities, or air-filled spaces, near the nose. They are lined with
mucous membranes. There are 4 different sinuses:
- Ethmoid sinus. Located around the bridge of the nose. This sinus is present at birth, and continues
- Maxillary sinus. Located around the cheeks. This sinus is also present at birth, and continues to
- Frontal sinus. Located in the area of the forehead. This sinus does not develop until around age
- Sphenoid sinus. Located deep behind the nose. This sinus does not develop until the teenage years.
What causes sinusitis in a child?
When the sinuses are blocked with discharge, bacteria may begin to grow. This leads
to a sinus infection or sinusitis.
The most common bacteria that cause acute sinusitis include:
- Streptococcus pneumonia
- Haemophilus influenzae
- Moraxella catarrhalis
What are the symptoms of sinusitis in a child?
The following are the most common symptoms of sinusitis:
- Stuffy nose
- Thick, colored drainage in the nose
- Drainage down the back of the throat (postnasal drainage)
- Pain or soreness over sinuses
- Loss of smell
The symptoms of sinusitis can be like other health conditions. Make sure your child
sees his or her healthcare provider for a diagnosis.
Which children are at risk for sinusitis?
A sinus infection sometimes happens after an upper respiratory infection or common
cold. The cold causes swelling that can block the opening of the sinuses. This can
cause a sinus infection. Allergies can also lead to sinusitis because of swelling
and increased mucus. Other possible conditions that can lead to sinusitis include:
- Abnormal shape of the nose
- Infection from a tooth
- Nose injury
- Foreign object in the nose
- Birth defect with abnormality of the roof of the mouth (cleft palate)
- Problem with stomach acids (gastroesophageal reflux disease, or GERD)
How is sinusitis diagnosed in a child?
The healthcare provider will ask about your child’s symptoms and health history. He
or she will give your child a physical exam. Your child may also have tests, such
- Sinus X-rays. X-ray exam of the sinuses may help with the diagnosis.
- CT scan of the sinuses. A CT scan shows detailed images of any part of the body. They are more detailed than
- Cultures from the sinuses. A swab of discharge from the nose may be taken. The sample is checked for bacteria
or other germs.
How is sinusitis treated in a child?
Treatment will depend on your child’s symptoms, age, and general health. It will also
depend on how severe the condition is.
Acute sinusitis may get better on its own. When it doesn’t, your child’s healthcare
provider may prescribe:
- Antibiotics. If your child’s sinuses are infected with bacteria, antibiotics are given to kill
the bacteria. If your child’s symptoms haven’t improved after 3 to 5 days, the healthcare
provider may try a different antibiotic.
- Allergy medicines. For sinusitis caused by allergies, antihistamines and other allergy medicines can
Note: Don’t use over-the-counter decongestant nasal sprays without checking with your
child’s healthcare provider. These sprays may make symptoms worse.
Recurrent sinusitis is also treated with antibiotic and allergy medicines. Your child’s
healthcare provider may refer you to an ear, nose and throat (ENT) specialist for
testing and treatment.
Treatment for chronic sinusitis may include:
- ENT specialist visit. Your child may be referred to an ENT specialist.
- Antibiotics. Your child may need to take antibiotics for a longer time. If bacteria aren’t the
cause, antibiotics won’t help.
- Inhaled corticosteroid medicine. Nasal sprays or drops with steroids are often prescribed.
- Other medicines. Nasal sprays with antihistamines and decongestants, saline sprays or drops, or medicines
to loosen and clear mucus may be prescribed.
- Allergy shots or immunotherapy. If your child has nasal allergies, shots may help reduce his or her reaction to allergens
such as pollen, dust mites, or mold.
- Surgery. Surgery for chronic sinusitis is an option, although it is not done very often in
Care may also include:
- Fluids. A glass of water or juice every hour or two is a good rule. Fluids help thin mucus,
allowing it to drain more easily. Fluids also help prevent dehydration.
- Saline wash. This helps keep the sinuses and nose moist. Ask your child’s healthcare provider
or nurse for instructions.
- Warm compresses. Apply a warm, moist towel to your child’s nose, cheeks, and eyes to help relieve
pain in the face.
What are the possible complications of sinusitis in a child?
Acute sinusitis can result in a brain infection, but this is very rare.
What can I do to prevent sinusitis in my child?
There are things that can help your child avoid sinusitis. They include:
- Have your child use saline sprays, washes, or both. Use these often to keep the nose
as moist as possible.
- Use a humidifier in dry indoor environments.
- Keep your child away from cigarette and cigar smoke.
- Keep your child away from things that cause allergy symptoms.
- Do not force water into the sinuses. For example, your child should not jump into
- Limit time in chlorinated pools. The chlorine can irritate the nose and sinuses.
Key points about sinusitis in children
- Sinusitis is an infection of the sinuses.
- When discharge from the nose is blocked, bacteria may begin to grow. This leads to
a sinus infection or sinusitis.
- Acute sinusitis may get better on its own but if it doesn’t, medicine can be prescribed.
- Your child’s healthcare provider may refer you to an ear, nose and throat (ENT) specialist for
testing and treatment of chronic sinusitis.
Tips to help you get the most from a visit to your child’s healthcare provider:
- Before your visit, write down questions you want answered.
- At the visit, write down the names of new medicines, treatments, or tests, and any
new instructions your provider gives you for your child.
- If your child has a follow-up appointment, write down the date, time, and purpose
for that visit.
- Know how you can contact your child’s provider after office hours. This is important
if your child becomes ill and you have questions or need advice.