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Monday, February 28, 2011

ACUTE CORYZA (COMMON COLD)

The onset is usually sudden with a burning and tickling sensation in the nose accompanied by sneezing. The throat often feels dry and sore, the head feels 'stuffed' and there is profuse watery nasal discharge. These symptoms last for one or two days, after which, with secondary infection,
the secretion becomes thick and purulent and impedes nasal breathing. However nasal allergy rather than viral infection is suggested in patients complaining of frequent attacks of sneezing and watery rhinorrhoea without systemic upset.
Complications:
Coryza may lead to sinusitis which can become chronic, particularly in the maxillary sinuses, causing persistent discharge from the front and back of the nose often accompanied by nasal obstruction and headache. Other complications are infection of the lower respiratory tract, occlusion of the Eustachian tubes causing deafness, and otitis media.
Management
In most cases symptoms are mild and do not require treatment. Paracetamol 0.5-1g every 4-6 hours can be used to relieve systemic symptoms. Nasal decongestants such as oxymetazoline hydrochloride (0.05% solution-0.15ml instilled in to each nostril every 8-12h) are of value when nasal obstruction is trouble some but such preparations should only be used for short periods. Antibiotics are not necessary in un-complicated acute coryza.


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