Astanga Hrudaya
तत्सर्वमभितो वाक्यं वाक्यकालेऽथवा पुनः । दूतमभ्यागतं दृष्ट्वा नातुरं तमुपाचरेत् ॥ १६ ॥
either along with or earlier to and repeatedly with the intimation of details of the patient seeing the messenger approaching, that patient should not be treated.
english translation
tatsarvamabhito vAkyaM vAkyakAle'thavA punaH । dUtamabhyAgataM dRSTvA nAturaM tamupAcaret ॥ 16 ॥
hk transliteration by Sanscript