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Hypericum-amitriptyline

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Hypericum
Type Antidepressant
Group other
links
EMEA 10130408en
PubMed Hypericum
Kompas (Dutch) hypericum extract
Wikipedia St John's wort
Amitriptyline
Type Antidepressant
Group TCA
links
ATC-code N06AA09
Medscape Amitriptyline
PubChem 2160
PubMed Amitriptyline
Kompas (Dutch) Amitriptyline
Wikipedia Amitriptyline

Switch medication from hypericum to amitriptyline.[1] [2]

Nietinrijdenbord.png Stop hypericum
  • Day 1: Stop hypericum.
  • The administration of hypericum can be stopped abruptly. Induction of CYP enzymes will last at least 14 more days.
Eenrichtingbord.png Start amitriptyline
  • Day 1: Increase with about 25% of target dose per 3 days.
Infobord.png More information
  • Plasma monitoring for TCA's is advisable, because of plasma-reponse relations, genetic polymorphism and under or overdosing.[3]
  • Occurrence of the serotonin syndrome is possible without wash-out period.
  • Hypericum induces enzymes of the CYP P-450 type and P-gp type.
  • Hypericum might have MAO-inhibiting and/or COMT-inhibiting properties.
  • Many studies reported that hypericin is the main source of pharmacological effects of hypericum. However the IC50 of hypericin to inhibit MAO A and MAO B is 100- to 1000-fold higher than accessible Cmax values of hypericin after oral administration of hypericum.[4]
  1. ↑ Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules
  2. ↑ Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.
  3. ↑ (dutch) monografie.org tricyclische-antidepressiva
  4. ↑ Wurglics M, Schubert-Zsilavecz M.Hypericum perforatum: a 'modern' herbal antidepressant: pharmacokinetics of active ingredients. Clin Pharmacokinet. 2006;45(5):449-68.
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