Abstract
Metals have had a long history in Ayurvedic system of medicine. Mercury (Parada), gold (Swarna), silver (Rajata), copper (Tamra), iron (Lauha), tin (Vanga), lead (Naga), and zinc (Yasada) are used in therapeutics in an incinerated (Bhasma) form. The pharmacological actions, therapeutic indications, adverse effects and management of adverse effects of these metals are described and emphasis has been given to the proper preparation, rational dose and duration during clinical practice in the classics of Ayurveda. Most important observation is, there are no contraindications of these Bhasmas, indicating universal applicability to all age levels with suitable adjuvant, proper dose and duration.
Keywords: Ayurveda, Bhasma, Marana, Shodhana, Dosha
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