Smell inside the nose may be due to poor hygiene habits, or atrophic rhinitis, sinusitis and other diseases.
1. Poor hygiene habits: If there is a foreign body in the nasal cavity for a long time, and not cleaned in time, when retained in the nasal cavity for a longer period of time, can induce an increase in nasal secretions, and bacterial buildup, there can be a bad odor.
2. Atrophic rhinitis: Atrophic rhinitis may be caused by heredity, long-term stimulation by harmful gases, endocrine dysfunction, infection and other factors. Patients will have a bad odor when they breathe, and they can’t perceive it by themselves, which is mostly due to the decomposition of purulent secretions in the nasal cavity by the infected bacterium Aspergillus.
3. Sinusitis: Sinusitis may be caused by infection, trauma, malnutrition, nasal foreign body and other factors. Patients will have a large amount of purulent nasal discharge, and it is difficult to blow clean, when the bacteria build up, the inside of the nose can appear to be smelly.
It may also be caused by malignant tumors, etc. It is recommended that patients seek timely medical attention to identify the cause of the disease.