Charak Samhita
अरिष्टान् दापयेत् क्षारान् कफस्त्यानस्थिरोदरे। श्लेष्मणो विलयार्थं तु दोषं वीक्ष्य भिषग्वरः ॥१५७॥
nausea and impaired digestion should be treated with arishta (fermented decoctions) or kshara (alkali obtained from ash of herbs) ॥ Pippalyadi lavana॥ With the due consideration of morbid dosha, the physician should prescribe pippalyadi lavana for liquefying the kapha.
english translation
ariSTAn dApayet kSArAn kaphastyAnasthirodare। zleSmaNo vilayArthaM tu doSaM vIkSya bhiSagvaraH ॥157॥
hk transliteration by Sanscript