Symptomatology

adjective relating to or characterized by sudden and uncontrollable bursts of activity or emotion

• The patient experienced paroxysmal episodes of chest pain.
• She has these paroxysmal fits of laughter that are contagious.
• My dog goes into a paroxysmal frenzy whenever he sees a squirrel.
• The political situation reached a paroxysmal point, with tensions running high.

noun named after Thomas Addison, the British physician who first described the condition in 1855

• Addison's disease is a rare disorder of the adrenal glands.
• My friend was recently diagnosed with Addison's disease.
• I heard that Addison's disease can really mess with your energy levels.
• Dealing with Addison's disease feels like constantly running on empty.