Winter is cold and it is easy to catch a cold and runny nose, especially for babies with poor resistance compared to adults, who can become little slugs and breathe poorly if they are not careful. For this reason, mothers become very anxious. In fact, a runny nose is not a bad thing, at least, it can indicate some potential diseases. Observe the symptoms of runny nose – distinguish nasal disease When the baby has a runny nose, mothers can initially diagnose what disease the baby has according to the color and concentration of the nasal discharge, so as to eliminate the phenomenon of runny nose faster and better by starting from the root of the disease. Parents should not use abusive medication indiscriminately. If the symptoms of runny nose, nasal congestion and sneezing are repeated, it is recommended to go to a regular medical institution to avoid missing the best time for treatment. 1.Always dragging a long nasal sound When talking with a heavy nasal sound, nose is not ventilated during sleep, snoring loudly, and always grow fat, beware of adenoid hypertrophy. 2, mucopurulent nasal discharge Mostly seen in the late stage of cold, as the cold heals, the purulent component in mucopurulent nasal discharge gradually decreases. In addition, mucopurulent rhinorrhea is also the main symptom of paranasal sinusitis, especially if you have a cold, the course of the disease for more than 10 days, still flowing mucopurulent rhinorrhea, to consider whether you have paranasal sinusitis. 3, yellow pus nasal discharge Common in the more serious paranasal sinusitis, pus odor is obvious. 4, unilateral runny nose difficult to blow out, nostrils are not ventilated, sleep snoring, is a signal of nasal polyps. 5.Bloody nasal discharge nasal discharge with blood or small blood clots, pink in color. Bloody nasal discharge can be caused by nasal trauma, inflammation, foreign body blockage and systemic diseases such as vitamin C and K deficiency. Frequent clear runny nose with nasal congestion, nasal itching, sneezing and other symptoms, especially obvious after waking up early in the morning, may suffer from allergic rhinitis. One side of the nasal cavity has a foul smell, pus, or blood in the nasal cavity, suggesting the presence of foreign bodies in the nasal cavity, mostly occurring in children around 3 years old, who stuff paper, beans, peanuts, etc. into the nasal cavity because of curiosity, and then rot when the water is absorbed and produce foul smell. 6, clear water-like nasal discharge thin, transparent, such as clear water-like, mostly seen in the early stage of the cold. Due to the congestion and swelling of the mucous membrane of the nasal cavity, the secretion of glands increases and forms nasal mucus, which is clear water-like at the beginning and gradually becomes pus-like after 3 to 5 days, and then gradually heals.