Anamnesis

History: A 32-year-old man, previously healthy, reports a moderate-intensity bifrontal throbbing headache that began 6 hours after reaching an altitude of 3,800 meters during a trekking expedition in Nepal. The pain worsens with physical exertion, head tilting, or coughing. Associated symptoms include mild nausea and dizziness. There is no history of trauma, infection, or other neurological symptoms. The patient did not use prophylaxis for high-altitude headache. Physical examination: No signs of dehydration or neurological alterations. Resting O₂ saturation: 88%.

Report this case — e.g. suspected re-identification risk.