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Mania induced by tramadol-venlafaxine combination
Nousha Hefzi1, Jeremy Grekin1, Aisha Ahmed2
1Wayne State University School of Medicine, Detroit, Michigan.
Journal of Opioid Management
|October 23, 2019
Summary
Tramadol can induce mania in patients taking serotonin and norepinephrine reuptake inhibitors (SNRIs) like venlafaxine. This case highlights the risk of mood changes when combining tramadol with serotonergic medications.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Pharmacology
Background:
- Major depressive disorder is often treated with serotonin and norepinephrine reuptake inhibitors (SNRIs).
- Venlafaxine is a commonly prescribed SNRI for managing depression.
- Tramadol is an analgesic with serotonin and norepinephrine reuptake inhibiting properties.
Observation:
- A 49-year-old male patient on venlafaxine developed a manic episode after initiating tramadol.
- The patient had no prior history of manic episodes.
- Mania is not a commonly listed side effect of tramadol, especially in conjunction with SNRIs.
Findings:
- This case suggests tramadol can precipitate mania in patients using SNRIs.
- Tramadol's SNRI activity poses a risk for mood lability when combined with other serotonergic drugs.
- The occurrence is relatively rare, as mania is not a widely recognized clinical side effect.
Implications:
- Clinicians should exercise caution when prescribing tramadol to patients on SNRIs like venlafaxine.
- Greater consideration of potential mood-related side effects is warranted.
- This finding underscores the importance of understanding drug interactions involving serotonergic pathways.
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