oa SA Pharmaceutical Journal - Evidence based pharmacy practice : bacterial sinusitis : clinical
Sinusitis is an inflammatory condition of the mucosa of one or more of the paranasal sinus cavities due to viral, bacterial or rarely fungal infections, or allergic reactions. Anatomically the sinuses can be described in four pairs: frontal, ethmoid, maxillary and sphenoid (see Figure 1). The sinuses are air-filled spaces that drain into the nasal cavity. Sinusitis is clinically characterised by nasal congestion, rhinorrhoea, cough, facial pain, halitosis, hyposmia, sneezing, and if more severe, additional malaise and fever.
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