Charak Samhita
यस्योर्ध्वं कफसंसृष्टं पीतं यात्यानुलोमिकम्। वमितं कवलैः शुद्धं लङ्घितं पाययेत्तु तम्॥७०॥
If the virechana medicine combined with the morbid kapha is vomited, then induce proper vamana to that person. After vamana give an appropriate kavala (holding medicine in mouth for gargling), langhana & virechana.
english translation
yasyordhvaM kaphasaMsRSTaM pItaM yAtyAnulomikam। vamitaM kavalaiH zuddhaM laGghitaM pAyayettu tam॥70॥
hk transliteration by Sanscript