Question 1

How does Hypericum olympicum work as an antidepressant?

Accepted Answer

Hypericum olympicum contains active compounds including hypericin, pseudohypericin, and hyperforin that modulate neurotransmitter activity in the brain. These compounds inhibit the reuptake of serotonin, dopamine, and norepinephrine, similar to conventional antidepressants. Hyperforin also appears to affect sodium and calcium ion channels. The flavonoids and rutin contribute additional anti-inflammatory and neuroprotective effects. Evidence Level C supports this mechanism, extrapolated primarily from research on related Hypericum species such as H. perforatum.

Question 2

What medications interact with Hypericum olympicum?

Accepted Answer

Hypericum olympicum interacts significantly with pharmaceutical antidepressants, particularly SSRIs and MAOIs, potentially causing serotonin syndrome. It induces cytochrome P450 liver enzymes, reducing effectiveness of oral contraceptives, warfarin, digoxin, cyclosporine, and antiretroviral medications. Combined use with photosensitizing drugs increases photosensitivity risk. These interactions are supported by Evidence Level C, based on data from related Hypericum species. Patients taking any prescription medications should consult a healthcare provider before using this herb.

Question 3

What is the recommended dosage for Hypericum olympicum?

Accepted Answer

The standard adult dosage for Hypericum olympicum is 2-4 grams of dried herb daily or 1-2 milliliters of tincture taken two to three times daily. Dried herb preparations can be consumed as an infusion. Standardized extracts may provide more consistent dosing. Evidence Level C supports this dosage range, derived from traditional Greek medicine practice and extrapolation from H. perforatum clinical experience. Start with lower doses to assess individual tolerance.

Question 4

Is Hypericum olympicum safe during pregnancy and breastfeeding?

Accepted Answer

Hypericum olympicum is considered unsafe during pregnancy and breastfeeding. Active compounds may cross the placenta and enter breast milk, potentially affecting fetal and infant neurological development. The herb may stimulate uterine contractions, increasing miscarriage risk. Women attempting conception should also avoid it, as it reduces oral contraceptive effectiveness. Evidence Level C indicates insufficient safety data for pregnant or nursing populations. Pregnant women should not use this herb without medical supervision.

Question 5

What are the side effects of Hypericum olympicum?

Accepted Answer

The primary side effect of Hypericum olympicum is photosensitivity, causing skin reactions when exposed to sunlight, particularly in fair-skinned individuals. Other reported effects include gastrointestinal discomfort, dry mouth, dizziness, headache, and restlessness. These effects are generally mild and reversible upon discontinuation. Photosensitivity risk increases with higher doses and extended sun exposure. Evidence Level C supports this safety profile, based on traditional use data and studies of related Hypericum species.

Hypericum olympicum

Sources & Citations

Calculate a safe dose of Hypericum olympicum

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Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Drug interactions

Evidence summary

PubMed sources

Government sources