Vatsanabh foetal dose
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Vatsanabh foetal dose Ayurveda Aconitum ferox mg
The user is likely asking about the "foetal dose" in the context of Ayurvedic pharmacology - this is a specific term meaning the minimum therapeutic dose (also called "Matra" in Sanskrit). Let me note: the term "foetal dose" in Ayurveda refers to a very small, sub-therapeutic or initiating dose, not a dose given to a foetus/fetus. However, it may also literally mean the dose safe in pregnancy. Let me check more specifically.
The classical Ayurvedic texts cite the dose of Shuddha (purified) Vatsanabha in traditional weight units. The term "foetal dose" (Bhrunaghni matra or in some contexts, a specific fraction of the standard dose) needs clarification. Based on the search results and classical references:
Vatsanabh (Vatsanabha) - Dose
Plant: Aconitum ferox Wall. (Indian Aconite) - classified as Mahavisha (major poison) in Ayurveda
Standard Dose of Shuddha (Purified) Vatsanabha
| Population | Dose |
|---|---|
| Adults | 15 mg (twice daily; max 30 mg/day) |
| Children (>5 years) | 0.2 mg/kg body weight |
| Minimum classical dose | 1/16 to 1/8 ratti (~8-16 mg) |
The classical texts state the dose as 1/16 ratti to 1/8 ratti, which converts to approximately 8-16 mg. The PMC reference (Panda, 2010) states the recommended dose of purified Vatsanabha is 15 mg.
"Foetal Dose" Context
In Ayurvedic Dravyaguna/pharmacology, "foetal dose" (Bhrunaghni matra) refers to the dose capable of causing foetal toxicity or abortion - this is a toxicological classification, not a therapeutic dose. For Vatsanabha:
- Fatal dose (root powder, unpurified): ~1 g with fatal period of ~6 hours (contains aconitine - a potent cardio- and neurotoxin)
- Vatsanabha is CONTRAINDICATED in pregnancy - it is classified as an abortifacient in classical texts
Pregnancy/Foetal Safety
- Vatsanabha is absolutely contraindicated during pregnancy and breastfeeding
- Even the purified (Shuddha) form should NOT be administered to pregnant women
- Its abortifacient property is documented in classical Ayurvedic texts, which is why the term "foetal dose" may be used in the context of its teratogenic/abortifacient risk
Key Points
- Purification (Shodhana) is mandatory before any therapeutic use - raw Vatsanabha is highly toxic
- The standard therapeutic adult dose is 15 mg twice daily of the purified drug
- The maximum daily dose is 30 mg/day - exceeding this even with purified drug causes severe toxicity
- Active toxin is aconitine (cardiotoxin + neurotoxin)
- Classical dose in ratti: 1/16 to 1/8 ratti per dose
If you are asking about "foetal dose" in a specific examination context (e.g., BAMS/MD Ayurveda curriculum where doses of Upavisha/Mahavisha drugs are listed in ratti fractions), the answer would be: Vatsanabha foetal dose = 1/16 ratti (~8 mg) as the minimum initiating dose in classical practice - as cited in the Journal of Ayurveda and Integrated Medical Sciences.
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