Diseases

sinusitis

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Overview

Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. The sinuses are four paired cavities (spaces) in the head. They are connected by narrow channels. The sinuses make thin mucus that drains out of the channels of the nose. This drainage helps keep the nose clean and free of bacteria.

Symptoms

  • thick, discolored discharge from the nose (runny nose)
  • nasal inflammation
  • drainage down the back of the throat (postnasal drainage)
  • pain, tenderness and swelling around your eyes, cheeks, nose or forehead
  • blocked or stuffy (congested) nose causing difficulty breathing through your nos

Causes

  • nasal polyps. these tissue growths can block the nasal passages or sinuses.
  • deviated nasal septum.
  • respiratory tract infections.

Risk factors

  • a deviated nasal septum
  • aspirin sensitivity
  • nasal polyps

Diagnosis

  • imaging tests.
  • looking into the sinuses.
  • an allergy test.
  • samples from your nasal and sinus discharge (cultures).

Medicines used

Frequently asked questions

What is sinusitis?

Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. The sinuses are four paired cavities (spaces) in the head. They are connected by narrow channels. The sinuses make thin mucus that drains out of the channels of the nose. This drainage helps keep the nose clean and free of bacteria.

What are the symptoms of sinusitis?

thick, discolored discharge from the nose (runny nose), nasal inflammation, drainage down the back of the throat (postnasal drainage), pain, tenderness and swelling around your eyes, cheeks, nose or forehead, blocked or stuffy (congested) nose causing difficulty breathing through your nos

What causes sinusitis?

nasal polyps. these tissue growths can block the nasal passages or sinuses.; deviated nasal septum.; respiratory tract infections.

Which medicines are used for sinusitis?

amoxicillin-clavulanic acid, cefdinir, cefpodoxime, cefuroxime, clarithromycin, levofloxacin, moxifloxacin, sparfloxacin

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