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Definition of Panic disorder
1. Noun. An anxiety disorder characterized by unpredictable panic attacks; the attacks are usually severe but brief.
Generic synonyms: Anxiety Disorder
Medical Definition of Panic disorder
1. Symptoms of panic attack usually begin abruptly and include rapid heartbeat, chest sensations, shortness of breath, dizziness, tingling, and anxiousness. Treatments include several medications and psychotherapy. (12 Dec 1998)