The Compendium of Caraka 6.3.163

6.3.163

yaḥ &kaṣāyakaṣāyaḥ syāt sa varjyastaruṇajvare/
yūṣairamlairanamlairvā jāṅgalairvā rasairhitaiḥ//
&`kāṣayaḥ kāṣayaḥ' iti pā-.
daśāhaṃ yāvadaśnīyāllaghvannaṃ jvaraśāntaye/
ata ūrdhvaṃ kaphe mande vātapittottare jvare//

that decoction which has an astringent taste should be avoided in acute fever.
With sour or non-sour pulse soups, or beneficial broths of dry-land animals,
one should eat light food for up to ten days for the pacification of fever.
Thereafter, when kapha is mild and vāta and pitta predominate in the fever,