अविकारि च व्यापत्तौ नातिग्लानिकरं च यत्| गन्धवर्णरसोपेतं विद्यान्मात्रावदौषधम्||१६||
• It must be palatable • It must be vitalizing and disease pacifying • It should not lead to any other complication • It should not produce tiredness • It should be endowed with good smell, color, taste etc. and should be pleasing in nature.
[Careful administration of medicine with mental concentration] The individual who drinks the medicine leaving away the negative mental feelings like lust etc. concentrating only on the medicines and the administration of the therapy, will bring the proper action of the medicine or therapy.
[Diet before purification therapy] The individual scheduled to undergo vamana on the next day should have foods which are easily digestible, rich in fluids and will increase the kapha dosha. Similarly, the individual scheduled to undergo virechana should have foods which are light and hot.
Since the first diet leads to vitiation and second diet leads to reduction of kapha, the doshas are removed quickly and completely. [Signs of proper elimination] The physician who had administered medicines for purification must be in observation for the following symptoms:
• For vamana, the pitta is expelled out after the elimination of kapha • For virechana, the elimination of fecal matter will be followed by pitta and thereafter by kapha When doshas are eliminated, the patient will experience emaciation, weakness and lightness of body.