St.Johns Wort Extract
St.Johns Wort has been used since the middle age as a valuable relaxing herb.It also has long lasting tonic effects on the whole nervous system. St. John's Wort contains hypericin that inhibits monoamine oxidase, a bodily chemical associated with depression.
Primary Characteristics
It is of Natural origin.
Non-proprietary name: St.Johns Wort Extract.

Pharmacokinetics
None recorded.
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Indications
St.Johns Wort Extract is primarily indicated in conditions like Anxiety disorder, Depression, Gastric ulcer, Kidney disease, Menopausal symptoms, Mood disorder, Premenstrual syndrome.
Contraindications
St.Johns Wort Extract is contraindicated in conditions like Schizophrenia, Alzheimer's disease, Pregnancy, Breast feeding, Attention deficit hyperactivity disorder.
Dosage
St.Johns Wort Extract's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 300 – 500 mg | — | Every 8h | PO | Each dose should be taken with meals. |
| Paediatric Dosage (20kg) | ||||
| No data. | ||||
| Neonatal Dosage (3kg) | ||||
| No data. | ||||
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
St.Johns Wort Extract is known to cause more or less tolerable side effects which are usually transient. These include Anxiety, Dizziness, Dry mouth, Fatigue, Gastrointestinal disturbances, Headache, Itching, Pruritus , Rashes , Restlessness, Sedation , Skin reactions.
Warnings / Precautions
Interference in Pathology
St.Johns Wort Extract may interfere in the diagnosis of Elevated TSH levels.
Available Brands
None recorded.
Drug Classification
- 1.24.2.1 — Drugs used in depression
- 2.24.3 — Drugs used in anxiety and sleep disorders
- 3.27 — Vitamins, minerals, tonics, and other susbstances