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Sinusitis
Epidemiology
- associated both bacterial and viral infection
Microbiology
- S.pneumoniae, H.Influenzae, M.catarrhalis
- Infrequent
o S.pyogenes, S.Aureus, Anaerobic bacteria
- Virus
o Rhinovirus, influenza virus, adenovirus parainfluenza virus
Signs and symptoms
- nasal discharge, nasal congestion, facial pain, maxillary toothache, fever
- the persistence of nasal discharge and a cough for more than 10 days following a viral infection of the upper respiratory tract is indicative of sinusitis.
- Toothache, poor response to decongestant, colored nasal discharge
Pharmacological therapy
- Amoxicillin 500mg three times daily for 10 days
- Adjunct
o Nasal spray decongestant
§ Phenylephrine hydrochloride
§ Oxymetazoline hydrochloride
· May facilitate drainage
· No more than 72 hours because possible rebound congestion
o Oral decongestant
o Pseudoephedrine and phenylpropanolamine
§ Reduce nasal blood flow through their alpha adrenergic activity
o Antihistamines
§ Not effective, because causes dryness of mucosal membrane
