Abstract
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IntroductionAlthough rarely reported, antidepressant discontinuation may induce hypomania or mania even in the absence of bipolar disorder [1,2].
ObjectivesWe report two cases of antidepressant withdrawal induced mania.
MethodsClinical process consultation and PubMed search were performed in November 2016 using the search keywords antidepressant, mania and discontinuation.
ResultsCase report 1: a dysthymic 60 years old woman with 20 years of psychiatric following had been treated with venlafaxine 150 mg/daily the past year. She abruptly stopped taking this drug, developing heightened mood, irritability and racing thoughts five days later. She was admitted at our hospital, initiating then valproate and antipsychotics. Two weeks later, the hypomania clinical state remitted completely.
Case report 2: a 64 years old woman, with a 12-year-old diagnosis of unipolar depression was brought to our emergency service with complaints of disorganized behavior, paranoid delusional ideas, excessive speech, irritable mood and reduced need for sleep, 1 week after abrupt trazodone 150 mg/daily discontinuation. Valproic acid 1000 mg/daily and olanzapine 20 mg/daily were introduced, with gradual improvement of symptoms. Two weeks later she was completely asymptomatic.
ConclusionPsychiatrists should be aware of the risk of antidepressant withdrawal induced mania. More studies should be conducted about this subject, aiming for the clarification of risk factors and the establishment of clinical criteria for this phenomenon.
Disclosure of interestThe authors have not supplied their declaration of competing interest.
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