Dry throat and nasal congestion may be related to colds, dry rhinitis, allergic rhinitis and other factors. 1. Acute rhinitis: mainly caused by viral or bacterial invasion of the mucous membrane of the nasal cavity and pharyngeal cavity, causing acute inflammation, may appear dry throat and nasal congestion. 2. Dry rhinitis: due to long-term exposure to dust, endocrine system disorders and other factors, the clinical manifestations of nasal congestion, nasal dryness, throat dryness and other symptoms, there may be dry throat and nasal congestion phenomenon. 3. Allergic rhinitis: generally due to inhalation of allergens, the phenomenon of nasal congestion may occur, the occurrence of open-mouth breathing can have a dry throat performance. If you have a dry throat and nasal congestion, it is recommended that you go to a regular hospital in a timely manner for a relevant examination, a clear diagnosis, and give appropriate treatment.