Charak Samhita
यदिपुनरस्यातिप्रवृद्धाञ्छीर्षादान्क्रिमीन्मन्येत शिरस्यैवाभिसर्पतः कदाचित्, ततः स्नेहस्वेदाभ्यामस्य शिर उपपाद्य विरेचयेदपामार्गतण्डुलादिना शिरोविरेचनेन ॥२०॥
If the parasites affecting the head are too many and sometimes seen creeping on the head, then after applying oil and fomentation on the head the patient he should be administered with nasal evacuation therapy with the seeds of apamarga, etc.
english translation
yadipunarasyAtipravRddhAJchIrSAdAnkrimInmanyeta zirasyaivAbhisarpataH kadAcit, tataH snehasvedAbhyAmasya zira upapAdya virecayedapAmArgataNDulAdinA zirovirecanena ॥20॥
hk transliteration by Sanscript