An unresponsive 18-year-old male with fever and headache who prefers dark rooms due to light sensitivity. What is the most likely diagnosis?

• A. new onset epilepsy.
• B. hypoglycemia.
• C. migraine.
• D. meningitis.

Answer: (D)

Fever with headache and light sensitivity in an unresponsive patient points to meningitis because inflammation of the meninges irritates the nerves that sense light and heightens sensitivity to stimuli, while also often causing altered mental status. This combination is classic for meningitis, a serious infection that can progress quickly. Migraine can involve photophobia, but fever is not typical and significant changes in consciousness are uncommon unless a complication occurs. Hypoglycemia can cause unresponsiveness but usually lacks photophobia and fever. Seizures can present with unresponsiveness but again don’t typically present with fever and photophobia together. The overall pattern here—fever, headache, photophobia, and altered level of consciousness—fits meningitis best and underscores the need for urgent medical evaluation and treatment.