Involuntary head shaking in boys may be related to physiological causes such as itchy scalp, as well as pathological causes such as Tourette’s syndrome and epilepsy. 1. Physiologic causes: Physiologic conditions such as scalp itching caused by head hygiene may cause boys to shake their heads involuntarily. 2. Pathological causes: Tourette’s syndrome may also cause involuntary head shaking in boys, usually accompanied by blinking, nose shrugging, headache, etc. Involuntary head shaking in boys may also be due to epilepsy, which is usually caused by brain damage, metabolic disorders, electrolyte disorders such as calcium and sodium, and other conditions. There may be other reasons for boys to shake their heads involuntarily, so it is recommended that they go to the hospital in time to have the cause clarified and treated under the guidance of the doctor.