The Compendium of Caraka 6.3.180

6.3.180

pibejjvarī jvaraharāṃ kṣudvānalpāgnirāditaḥ/
amlābhilāṣī tāmeva dāḍimāmlāṃ sanāgarām//

the feverish patient should drink to eliminate fever, when he has hunger and mild digestive fire initially.
If desiring sour, [he should drink] that very drink soured with pomegranate and with dried ginger.