Phlegm in the nose may be caused by increased secretion from the posterior nasal cavity or nasopharynx, postnasal drip syndrome, which should be promptly consulted to find out the cause of the disease and consult a doctor as soon as possible.
1. Increased secretion from the posterior nasal cavity or nasopharynx: consider that it is related to nasal diseases such as acute rhinitis, allergic rhinitis, nasal polyps or sinusitis.
2. Postnasal drip syndrome: It is a series of symptoms secondary to some nasal diseases, resulting in inflammatory reaction to the damage of nasal mucosa and secretion backflow. The main manifestations are coughing, coughing up sputum, nasal and throat discomfort, nose pain, itching, nasal congestion and so on.
Treatment with medication can be under the guidance of the doctor to use acetylcysteine and carboxymethylstilbestrol, ambroxol and bromhexine, mometasone furoate and loratadine, amoxicillin, etc., and other treatments to maintain local cleanliness.
Sputum is a secretion, and the presence of sputum indicates that inflammation is occurring, so you should consult a doctor to clarify the cause of the disease and treat accordingly if necessary.