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A case of mania induced by hypericum
Magdi Fahmi1, Chia Huang, Isaac Schweitzer
1Professorial Unit, Melbourne Clinic, 130 Church Street, Richmond, Vic. 3121, Australia. magdi_eman@bigpond.com
Summary
High doses of Hypericum perforatum (St. John's Wort) can induce mania in individuals with depression, even without prior manic episodes or antidepressant use. This highlights potential risks associated with herbal supplements.
Area of Science:
- Psychiatry
- Pharmacology
- Herbal Medicine
Background:
- Hypericum perforatum, commonly known as St. John's Wort, is widely used for treating depression.
- The safety profile of high-dose St. John's Wort, particularly in vulnerable populations, requires careful consideration.
Observation:
- A 28-year-old woman with a diagnosis of depression experienced an episode of mania.
- The patient had no prior history of manic or hypomanic episodes.
- The mania occurred while the patient was taking high doses of Hypericum perforatum and not using any antidepressant medications.
Findings:
- High doses of Hypericum perforatum can precipitate manic episodes in individuals with depression.
- This effect was observed in the absence of concurrent antidepressant treatment or a personal history of mania.
Implications:
- Clinicians should be aware of the potential for St. John's Wort to induce mania, especially at high dosages.
- Patients considering herbal supplements for depression should be screened for risk factors for bipolar disorder.
- Further research is needed to understand the mechanisms and prevalence of Hypericum perforatum-induced mania.