Astanga Hrudaya
आमाशयोत्क्लेशभवाः प्रायश्छर्द्यो हितं ततः । लङ्घनं प्राग्ऋते वायोर्वमनं तत्र योजयेत् ॥ १ ॥
Generally vomiting disorder, arises from the upward movement of the dosas localized in the amasaya (stomach) hence, for them, fasting at the beginning stage, is ideal, except in that caused by vata.
english translation
AmAzayotklezabhavAH prAyazchardyo hitaM tataH । laGghanaM prAgRte vAyorvamanaM tatra yojayet ॥ 1 ॥
hk transliteration by Sanscript