Rhinitis may be bacterial, but it may also be caused by viral infection, allergen stimulation or various physical and chemical factors. If it is common acute rhinitis, most of them are caused by viral or bacterial infections. The main symptoms of rhinitis caused by viral infections are runny nose, sneezing, nasal congestion, etc. If secondary bacterial infections are present, it may lead to symptoms such as runny nose, nasal congestion, headache and so on. There may also be allergic rhinitis caused by allergenic stimuli, such as contact with pollen and dust mites, which often leads to paroxysmal sneezing, running nose and other symptoms. It can also be caused by irritation from various physical and chemical factors, such as long-term inhalation of dust and irritating odors, which may trigger rhinitis. There are many types of rhinitis, you need to go to the hospital, the doctor examined by a clear diagnosis and then targeted to take treatment.