fifth chapter of Charaka kalpa sthana offers with “Pharmaceutics of vatsaka kalpam”. The chapter title is vatsakakalpam.
Now we will discover the chapter coping with the “pharmaceutics of Vatsaka. Thus stated Lord Atreya” [1-2]
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Varieties and options of Vatsaka
I shall hereafter describe appropriately the signs of Vatsaka, together with the distinctive options of its feminine and male varieties and its recipes intimately.
Synonyms of Vatsaka are: Kutaja, sarkra, vrksaka and Giri- mallika. It’s seeds are referred to as Indrayava and Kalingaka. The male sorts of Vatsaka have large fruits, white flowers and easy (unctuous) leaves. The feminine selection has bluish black and pink flowers. It has tiny fruits in addition to tiny stalks. [3-5]
Therapeutic Results of Vatsaka
Vatsaka cures Raktapitta (an ailment characterised by bleeding from numerous elements of the physique) and Kapha. It’s helpful for sufferers affected by coronary heart ailments, fever, gout and erysipelas. It’s free from any adversarial results even when administered to individuals of tender (delicate) nature. 
Recipes of Vatsaka decoction
Fruits of each the sorts of Vatsaka are collected in applicable time (season), dried and coarsely powdered. A closed fist (amount as would match inside a closed fist) of this powder is impregnated by including the decoction of madhuka, Kovidara, (karbudara, Nipa, Vidula, Bimbi, Sanapuspi or Pratyakpuspi). After conserving soaked for the night time, the powder and decoction are stirred [and filtered] after including salt and honey. This liquid (decoction) is taken as potion. These are the wonderful emetic recipes for the elimination of pitta and kapha. [7- ½ 9]
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Vatsaka recipes in powder
The powder of the fruits of Vatsaka must be impregnated within the milky latex of Arka for eight days. One Pani-tala (amount that matches within the concavity of the hand) of that is taken with the decoction of Jivaka.
Equally, this powder will be taken individually with the decoctions of Madanaphala, Jimutaka, Iksvaku or Jivanti in 1 karsha amount. Alternatively 1 karsha of this powder shall be taken combined with decoction of mustard, juice of flowers of madhuka or with salt water. [9 ½ – 11½]
Vatsaka recipe with kichdi
The powder of Vatsaka [processed as per the above description in the verse no. 7-8] can also be added to Krshara ( a preparation of rice and pulses) and administered by the doctor [to the patient] for emesis. [11 ½]
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Contents of the chapter
To sum up:
Eighteen recipes of vatsaka are described on this chapter as follows:
9 recipes within the type of decoctions (vide verse nos. 7-9)
5 recipes in powder kind (vide verse no . 9-10)
Three recipes must be taken together with water; and ( vide verse no .11)
One recipe to be taken with Krsara (Vide verse no. 11) 
Thus, ends the fifth chapter of Kalpa-sthana coping with the “Pharmaceutics of Vatsaka” in Agnivesha’s work as redacted by Charaka, and due to its non-availability, supplemented by Drdhabala.