Dizziness, headache is not a specific symptom of pregnancy, dizziness, headache is very common in the clinic, the most common cause of dizziness, headache or brain lesions, such as chronic insufficient blood supply to the brain, cerebral arteriosclerosis, resulting in ischemia of the brain tissues, brain cells, hypoxia, will cause patients to have dizziness, headache, but this kind of dizziness, headache will not be too intense. Dizziness and headache may be caused by cold and fever, because the toxins secreted by bacteria or viruses will cause stimulation to the central nervous system, thus causing dizziness, headache, weakness and other manifestations. There is also dizziness, headache may also be a manifestation of neurological weakness, this type of patients usually often have emotional anxiety, nervousness, insomnia, poor sleep, stay up all night triggering factors.