Colds, i.e. upper respiratory tract infections, and headaches, dizziness and lightheadedness are a normal part of upper respiratory tract infections and are caused by intracranial vasodilatation. At the same time, we also need to be alert to the combination of hypertension, tension headache and other diseases caused by, as well as chronic myofasciitis caused by other diseases. 1. Upper respiratory tract infection: patients with upper respiratory tract infections are caused by pathogenic infections, which can lead to intracranial vasodilatation phenomenon, resulting in headache, dizziness, dizziness, coughing and other symptoms. 2. Hypertension: Hypertension is caused by heredity or bad habits, and patients will experience symptoms such as head swelling and pain, dizziness and chest tightness. If patients with upper respiratory tract infections develop high blood pressure, they will have the symptoms of dizziness, heavy head and headache. 3. Tension headache: Tension headache is caused by the continuous contraction of the muscles in the head and neck, and the patient will have headache, dizziness, insomnia and other symptoms. If the patient with upper respiratory tract infection suffers from tension headache, he or she will have dizziness and heavy headache. 4. Other: chronic myofasciitis, cerebral infarction and other diseases can also lead to dizziness and lightheadedness in patients with upper respiratory tract infection. When patients with upper respiratory tract infections experience symptoms of dizziness and lightheadedness, they should consult a doctor in a timely manner and follow the doctor’s instructions for treatment.