Ballicules.com

St John's wort

hypericum

What it isHypericum extract containing hyperforin and hypericin; depression outside the US.

Why this oneIt has trial evidence in mild to moderate depression comparable with low-dose SSRIs.

What limits it⚑ Its CYP3A4 and P-gp induction causes contraceptive, transplant and anticoagulant failure — the interaction matters more than the effect. Serotonin syndrome with SSRIs.

FDA-approved for

Off-label

NO BOXED WARNINGS

Principal risk⚑ Its CYP3A4 and P-gp induction causes contraceptive, transplant and anticoagulant failure — the

Classes and tags

Clinical profile

Direct muscarinic antagonism0 / 4

Mechanism of action: St John's wort ballicule

St John's wort ballicule: receptor binding, kinetics and half-life diagram

Open St John's wort in the interactive console ↗

Memory aids: mascots and interaction avatars

St John's wort SJW mascot mnemonic cartoon
“St John’s Wart”
Shredder inDucer
St John's wort CYP1A2 inducer avatar
CYP1A2 inducer (weak — sources disagree)
St John's wort CYP2B6 inducer avatar
CYP2B6 inducer (moderate — unverified)
St John's wort CYP2C19 inducer avatar
CYP2C19 inducer (moderate)
St John's wort CYP2C9 inducer avatar
CYP2C9 inducer (moderate)
St John's wort CYP3A4 inducer avatar
CYP3A4 inducer (preparation-dependent)
St John's wort P-gp inducer avatar
P-gp inducer (strong)
St John's wort UGT1A4 inducer avatar
UGT1A4 inducer (weak — unverified)

Open St John's wort in the interactive console ↗