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Nasal block only at night or both during day and
night is cause for concern. Chronic nasal block has
systemic effect such as raised blood pressure. Nasal
block is curable.
The common causes of nasal block are
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Chronic sinusitis
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Deviated nasal septum
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Turbinate hypertrophy
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Adenoid hypertrophy
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Allergic rhinitis
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Nasal polyposis
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