Clogged nose with sticky nasal mucus may be caused by colds, chronic rhinitis, sinusitis and other reasons. 1. Colds: Colds caused by cold can lead to respiratory tract infections, and patients will have symptoms of a blocked nose with sticky nasal mucus, accompanied by sneezing and coughing and other symptoms. 2. Chronic rhinitis: this disease will cause nasal mucous membrane congestion, swelling, gland secretion increases, which leads to the symptoms of nose blockage with sticky nasal mucus, accompanied by nasal itching and sneezing symptoms. 3. Sinusitis: when inflammation occurs in the mucous membrane of the sinuses, the symptoms of clogged nose with sticky nasal mucus will occur, accompanied by headache, dizziness, irritability and other emotions. When patients have symptoms of blocked nose with sticky nasal mucus, it is recommended that they go to the hospital in time for examination and diagnosis, and under the guidance of the doctor for treatment.