ONTHE BASIS OF
LOCATION
ON THE BASIS OF DURATION
Frontal sinusitis Acutesinusitis( infection
lasts up to 4 weeks)
Ethmoid Sinusitis Subacutesinusitis ( lasts
between 4 -12 weeks)
Maxillary sinusitis Chronic sinusitis(more
than 12 weeks)
Sphenoid sinusitis
Viral infection: 90% of sinusitis. Rhinovirus, coronavirus.
Bacteria: Streptococcus pneumoniae ,H Influenza others,
Pollutants: Chemical/irritants may trigger the build of
mucus.
Fungi: Rare.
URIs such as common cold
Nasal polyps
Deviated nasal septum
Dental infection
Swimming
Smoking and Intranasal cocaine.
Tonsillar and adenoid hypertrophy.
Pregnancy, hormonal changes with puberty.
Iatrogenic factors such as mechanical ventilation, NG
tubes, nasal packing etc.
Common sign and symptoms are
Fever, sore throat, headache, facial
pain and pressure, malaise.
In more advance cases the symptoms
are Anosmia, Nasal congestion and
discharge, halitosis etc.
Maxillary sinusitis: Pain in the upper jaw.
Frontal sinusitis: Pain in the forehead.
Ethmoid sinusitis: Pain over nasal bridge.
Sphenoid sinusitis: Pain over the occiput or vertex.
Antibiotics are not prescribed routinely , because
many cases of sinusitis are viral.
First line therapy at most centers is amoxicillin for
14 days.
Antibiotic therapy-Amoxyclav 625 mg(Amoxycillin
500 mg + clavulamic acid 125 mg).