Feeling a dead fish odor in the nasal cavity may be the cause of nasal foreign body, atrophic rhinitis, sinusitis and so on.
1. Nasal foreign body: nasal foreign body if in the nasal cavity to stay too long, may cause nasal mucosa inflammation or even necrosis, the emergence of purulent nasal discharge will feel a dead fish odor.
2. Atrophic rhinitis: nasal mucosal atrophy and glandular atrophy caused by rhinitis, may be due to bacterial infection in the nasal cavity, pus crust attachment, resulting in other people can smell and they can not smell the dead fish odor.
3. Sinusitis: sinusitis will also secrete purulent mucus along with bacterial infection to produce their own smell, while others can not smell the dead fish odor, pus may also flow back to the pharynx.
Feeling a dead fish odor in the nasal cavity may also have other reasons, it is recommended to go to the hospital in a timely manner, to identify the cause of the targeted treatment.