Nose can not smell the odor, may be a cold, chronic rhinitis, sinusitis, nasal polyps, nasal swelling and other causes.
1. Colds: short-term decrease or even disappearance of the sense of smell is considered to be caused by congestion and swelling of the nasal mucosa blocking the nasal airway during colds, which can be restored to normal after the disappearance of cold symptoms.
2. Chronic rhinitis: When chronic rhinitis strikes, it may be manifested as swelling of nasal mucosa, nasal congestion, causing poor nasal ventilation, resulting in the nose not being able to smell.
3. Sinusitis: mostly caused by bacterial, viral and fungal infections, manifested by nasal congestion, purulent nasal discharge and other symptoms, can also appear in the nose can not smell the flavor of the situation.
4. Nasal polyps: patients may also experience decreased sense of smell or even loss of smell.
5. Nasal swelling: Nasal swelling blocks the nasal passage or purulent secretion, which can hinder the conduction of flavor, so there will be a decrease in the sense of smell or even disappear.
There are many reasons why you can’t smell, so it is recommended that you consult a doctor in time to avoid delaying your condition.