What are the causes of a stinky nose?

 A stinky nose can be caused by several health conditions related to the sinuses, such as postnasal drip, sinusitis, nasal polyps, and nasal vestibulitis

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. Ozena, also known as atrophic rhinitis, is a rare chronic nasal disease characterized by progressive atrophy of the nasal mucosa and underlying bone, accompanied by the formation of foul-smelling, thick, dry crusts in the greatly enlarged nasal cavities

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The symptoms of ozena include nasal crusting, discharge, congestion, and a very bad smell

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. The treatment for a stinky nose depends on the underlying condition. Some home remedies that can help reduce a bad smell in the nose include using a homemade saltwater rinse, cleaning dentures and other dental gear daily, chewing sugarless gum for 5 minutes after meals, cutting back on foods and drinks that contribute to dehydration, quitting smoking and tobacco use, having dental checkups and cleanings frequently, and using over-the-counter medications

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In the case of ozena, ciprofloxacin has been found to be a promising drug for treatment

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. It is important to consult a doctor or an ENT specialist if the bad smell in the nose has been hanging around for over a month, is getting worse, or is associated with red flag symptoms like fever or whole body chills, severe facial swelling or pain, vision changes or eye swelling, severe nose bleeds, and changes in mental status

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