Constant runny nose and sneezing may be caused by common cold, influenza, allergic rhinitis and other reasons.
1. Because the common cold is caused by viral infection that increases vascular congestion and secretion in the mucous membrane of the upper respiratory tract, stimulating the nasopharynx causing sneezing, running watery nose, and in severe cases, it can also cause nasal congestion, coughing, dry pharynx, itchy pharynx and other discomforts. In general, it is important to rest, drink plenty of water, maintain indoor air circulation and prevent secondary bacterial infections.
2. Influenza patients due to influenza virus infection, often with the common cold symptoms of runny nose, sneezing, and fever and severe disease direction tendency.
3. Allergic rhinitis is caused by allergic factors such as mites, dust, animal fur, low temperature and other stimuli causing vascular congestion of the mucous membrane of the upper respiratory tract and increased secretion, which may result in sudden and continuous sneezing, itchy nose, nasal congestion and a large amount of runny nose. If the allergen is removed, the symptoms can disappear within minutes to 1~2 hours.
There may be other reasons for sneezing and runny nose, so you should go to the hospital in time, and the doctor can determine the specific cause through symptoms, signs and auxiliary examination.