There are more causes of a runny nose on the left side, depending on the nature of the runny nose and the duration of the disease, the corresponding causes are different. Clinically more common causes include left-sided mycotic sinusitis, left-sided chronic sinusitis may appear left-sided runny nose.
1. Left-sided mycotic sinusitis: mycotic sinusitis is mostly simple, with the maxillary sinus being the most common. Clinical symptoms are nasal congestion, dizziness and pain, blood in the snot, etc. Most of the snot is pus. It is necessary to combine with the paranasal sinus CT and other examinations to clarify the cause, and early surgical treatment.
2. Chronic sinusitis on the left side: the nasal mucus of chronic sinusitis is mainly pus, and if it is the inflammation of one side of the sinus, it can be manifested as unilateral nasal mucus. Need to combine with nasal endoscopy, sinus CT and other related examinations to assess the condition. It can be treated with medication or surgery.
If the patient has the symptom of running nose on the left side, it is recommended to go to the hospital in time, to clarify the cause, to give targeted treatment, under the guidance of the doctor reasonable use of medication.