A 43-year-old man presents after experiencing 2 days of an unusual headache. On each of the previous 2 days, he first noted blurry vision accompanied by flashes of light in the left eye, which expanded for...
The researchers describe a case of an immunosuppressed patient amid the COVID-19 pandemic presenting with a headache, which has been reported as a presenting symptom of COVID-19 infection. This case...
Although often lacking credibility among many headache specialists, sinus headache continues to be a popular diagnosis among patients and health care providers.
