When dizziness and dry mouth occur, it is likely to suffer from cold, inflammatory diseases or insufficient blood volume, as follows: 1. cold: dizziness and dry mouth caused by cold need to drink more water and pay attention to keep warm, when the cold is more serious, also need to use anti-cold medicine for treatment under the guidance of a doctor. 2. inflammation: if the dry mouth and dizziness are caused by inflammation, there are usually pharyngitis and tonsillitis diseases, which can be Use antibiotic drugs for treatment. 3, insufficient blood volume: dizziness, dry mouth may also be caused by insufficient blood volume, which can easily lead to insufficient blood supply to the brain, so patients will experience dizziness, nausea, vomiting, severe hypovolemia can also lead to circulatory system problems, can be oral or intravenous injection of light saline.