Charak Samhita
सुविरिक्ते तु सोद्गारमाश्वेवौषधमुल्लिखेत्। अतिप्रवर्तनं जीर्णे सुशीतैः स्तम्भयेद्भिषक्॥७३॥
Even after adequate virechana, if person has belching of the drugs, then it has to be removed immediately by emesis. In the condition of excess elimination and when the administered drug is digested, then the purgation should be stopped with suitable sheetopachara (cold measures) by the physician.
english translation
सुविरिक्ते तु सोद्गारमाश्वेवौषधमुल्लिखेत्। अतिप्रवर्तनं जीर्णे सुशीतैः स्तम्भयेद्भिषक्॥७३॥
Even after adequate virechana, if person has belching of the drugs, then it has to be removed immediately by emesis. In the condition of excess elimination and when the administered drug is digested, then the purgation should be stopped with suitable sheetopachara (cold measures) by the physician.
english translation