Headache/non-neuro|Other

Etiology

  • Depression: recognizing that HA will not be the sole manifestation of depression
  • Generalized viral or bacterial infections
  • Medications e.g. caffeine w/drawl, chemotherapy agents, birth control pills
  • Systemic Htn: Typically asymptomatic, w/damage caused over long haul; acute, severe htn that overcomes brain auto-regulation can cause headache/encephalopathy (rare)