Charak Samhita
सर्पींषि तिक्तकानि च यच्चान्यद्रक्तपित्तनुत् [१] कर्म। बाह्याभ्यन्तरमग्र्यं तत् कार्यं पित्तकुष्ठेषु ॥५९॥
Ghee fortified with tikta (bitter) drugs and line of treatment of raktapitta should be followed internally and externally for treatment of pittaja kushtha.
english translation
sarpIMSi tiktakAni ca yaccAnyadraktapittanut [1] karma। bAhyAbhyantaramagryaM tat kAryaM pittakuSTheSu ॥59॥
hk transliteration by Sanscript