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Published on: January 7, 2019
Venlafaxine withdrawal syndrome
Vladimir Sabljić1, Klementina Ružić, Radmir Rakun
1University Psychiatric Clinic, Clinical Hospital Centre Rijeka, Krešimirova 42, 51000 Rijeka, Croatia. Vladimir.sablic@ri.t-com.hr
Abruptly stopping serotonin-norepinephrine reuptake inhibitors (SRNIs) like venlafaxine can cause severe withdrawal symptoms. Prompt re-administration of venlafaxine effectively resolves these symptoms, highlighting the importance of patient education.
Area of Science:
- Neuroscience
- Psychiatry
- Pharmacology
Background:
- Serotonin-norepinephrine reuptake inhibitors (SRNIs) are crucial for depression treatment.
- Venlafaxine, an SRNI, is recognized for its efficacy and safety.
- Abrupt discontinuation of venlafaxine carries a significant risk of withdrawal syndrome, often more intense than with SSRIs.
Purpose of the Study:
- To present a case study of severe venlafaxine withdrawal syndrome.
- To illustrate the diagnostic challenges and effective treatment of this condition.
- To emphasize the importance of informing patients about potential withdrawal risks.
Main Methods:
- A case report of a 70-year-old patient experiencing severe symptoms after discontinuing venlafaxine.
- Neurological examination, CT scans, and laboratory tests were performed.
- Diagnosis was confirmed through psychiatric observation and response to treatment.
Main Results:
- The patient developed severe withdrawal symptoms mimicking a stroke shortly after discontinuing venlafaxine (225 mg/day).
- Neurological and laboratory assessments revealed no abnormalities.
- Readministration of venlafaxine (150 mg/day) led to rapid symptom resolution and full recovery.
Conclusions:
- Venlafaxine withdrawal syndrome is a significant risk that necessitates patient awareness.
- Early recognition and prompt treatment, often involving venlafaxine re-initiation, are key to managing withdrawal.
- Informing patients about potential discontinuation effects can mitigate risks and reduce healthcare costs.
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