Charak Samhita
नहि संशोधनं किञ्चिदस्त्यस्य प्रतिमार्गगम्। प्रतिमार्गं च हरणं रक्तपित्ते विधीयते ॥१९॥
In raktapitta, elimination of dosha from the opposite route is recommended.
english translation
nahi saMzodhanaM kiJcidastyasya pratimArgagam। pratimArgaM ca haraNaM raktapitte vidhIyate ॥19॥
hk transliteration by Sanscript