Dizziness in a 14-year-old boy may have anemia, intracranial lesions, sinusitis and other causes. 1. anemia: if the child usually have anemia, anemia is more serious, then there will be dizziness, fatigue performance. 2. Intracranial lesions: If the child has an upper respiratory tract infection before dizziness, consider whether it is due to encephalitis caused by upper respiratory tract infection, the child may have dizziness, headache, nausea, vomiting and other manifestations. Other intracranial lesions can also cause dizziness, such as brain tumors, etc. Parents are advised to take their children to do head CT. 3. Sinusitis: 14-year-old boy dizziness may also be caused by sinusitis, parents are advised to take the child to the hospital to determine the film. 14-year-old boy dizziness may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.