If you have a runny nose every morning, it is usually due to the following reasons: 1, the most common cause is allergic rhinitis, at this time it will flow watery nasal discharge, and every morning flow is more, accompanied by sneezing and itching of the nasal mucosa. Usually it will attack all year round, and it is more obvious with seasonal attack, and you should find the allergens quickly.2. In the case of chronic sinusitis, then you will have a runny nose every morning, and there will be dizziness, lightheadedness, nasal congestion, accompanied by memory loss and so on.3. In case of nasal polyps in the nasal cavity, you will have a watery nasal discharge as well, and there will be dizziness, headache, nasal congestion, and the nose is not open to the air and so on.4. In the case of colds and flu, it will also lead to a Runny nose every morning, usually clear watery nasal mucus, if the cold is prolonged, mucous nasal mucus will appear.