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Route Of Administration
Those suited to the allowable route(s) of administration. This monograph is not intended to include food-like dosage forms such as bars, chewing gums or beverages.
Use(s) or Purpose(s)
Statement(s) to the effect of:
Dry, Powder, Decoction & Infusion + All Non-Standardised Extracts
0.2 - 2.4 Grams
3 times per day,
dried herb tops
See Appendix 1 for examples of appropriate dosage preparations and frequencies of use, according to cited references. The purpose of Appendix 1 is to provide guidance to industry.
Duration of use
No statement is required
Statement(s) to the effect of:
Caution(s) and Warning(s)
Consult a health care practitioner if symptoms persist.
Consult a health care practitioner if symptoms worsen.
Known Adverse Reaction(s)
Hypersensitivity/allergy is known to occur, in which case, discontinue use
, Hoffmann 2003
, Brinker 2001
Must be chosen from the current Natural Health Products Ingredients Database and must meet the limitations outlined in the database.
- The finished product specifications must be established in accordance with the requirements described in the NHPD Quality of Natural Health Products Guide.
- The medicinal ingredient must comply with the requirements outlined in the Natural Health Products Ingredient Database (NHPID).
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Appendix 1: Examples of appropriate dosage preparations, frequencies of use and directions for use
- 0.5-2 g dried aerial parts, 3 times per day (Bradley 2006)
- 1.2 g (1 teaspoon) dried aerial parts, 2-3 times per day
Directions for use:
Pour 150 ml boiling water over dried aerial parts, steep for 5 minutes in a covered cup, then strain (Wichtl 2004).
- 1.2-2.4 g (1-2 teaspoons) dried aerial parts, 3 times per day
Directions for use:
Pour 250 ml (one cup) of boiling water over dried aerial parts and infuse for 10 to 15 minutes in a covered container (Hoffmann 2003).
0.5-2 g dried equivalent, 3 times per day
(1:1, 25% alcohol, 0.5-2 ml) (Bradley 2006)
0.2-0.8 g dried equivalent, 3 times per day
(1:5, 25% alcohol, 1-4 ml) (Hoffmann 2003)