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Sinusitis – inflammation of the maxillary paranasal sinus.

The cavity of the upper jaw – the maxillary cavity, communicates with the nasal cavity. When an infection from the nose enters the maxillary sinus, inflammation develops there. (In rare cases, infection occurs hematogenously – through the blood). As a result of inflammation and swelling of the mucous membrane of the sinus, communication with the nasal cavity is difficult or stops altogether, which leads to accumulation of mucus (in the case of catarrhal sinusitis) or pus (in the case of purulent) secretion in the cavity of the upper jaw, disruption of its outflow. The outcome of untreated sinusitis may be the spread of infection to the bone walls of the sinus.

Sinusitis can be a complication:

  • prolonged runny nose
  • influenza and other acute respiratory infections
  • caries and other dental diseases

Predisposing factor in the development of sinusitis is a curvature of the nasal septum or other anomalies in the structure of the nasal cavity.

Symptoms of sinusitis

Most often, sinusitis develops against the background of a runny nose. Nasal congestion increases, the amount of discharge sometimes, on the contrary, decreases. Discharge from the nose may become cloudy, acquire a white, yellow and green color, and an unpleasant odor.

In the projection of the maxillary sinus, there is a feeling of fullness and dull, aching pain. The pain is aggravated by tilting the head down, moving the eyeballs, pressing on the eyes, and tapping the cheekbones with the fingers. The pain can often “give” to the upper teeth. Headache joins, temperature rises. Every day the condition worsens.

Complications of sinusitis:

  • spread of infection to neighboring sinuses: frontal, ethmoid, Eustachian, with the development of hemi- and pansinusitis
  • purulent fusion of the bone wall of the sinus with the development of osteomyelitis
  • breakthrough of pus into the orbit with the development of phlegmon of the orbit
  • meningitis, encephalitis

Read more: Diagnosis and treatment of sinusitis


Diagnosis of sinusitis is made by a general practitioner and an ENT doctor. Of great importance is the clinical picture, symptoms of the disease, indicators of peripheral blood (general blood count), examination of the nasal cavity (rhinoscopy).

To clarify the diagnosis, an instrumental x-ray examination or computed tomography of the paranasal sinuses is prescribed.

In some cases, they resort to studying the antibiotic sensitivity of microflora.

Treatment and prevention

Tactics of treatment of sinusitis depends on its stage, form, age of the patient. And in each case is selected individually. Treatment should be carried out only by a doctor, self-medication is fraught with dangerous consequences.

For the treatment of sinusitis, drug therapy is used: antibiotics, desensitizing and antiviral agents, anti-inflammatory, vasoconstrictive drugs, and many others. Homeopathic medicines are often used.

In addition to drug therapy, washing of the paranasal sinuses using the “cuckoo” method is used, when the liquid is injected into one nostril and removed from the other, as well as physiotherapy.

In some cases, when conservative measures fail to ensure an adequate outflow of contents from the sinuses, they resort to puncture of the sinuses or surgical imposition of fistulas with the nasal cavity.

For the prevention of sinusitis, it is necessary to treat a runny nose in a timely manner, do not neglect the medical prescription of vasoconstrictor drops and antibiotics for colds. Sanitize the oral cavity at the dentist twice a year.

With a deviated septum and frequent diseases of the ear, nose, and throat, surgical correction of the nose is recommended in a planned manner.


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