The Compendium of Caraka 6.15.131

6.15.131

arśāṃsi ca gude śūlaṃ jayeccaiva pravāhikām/
nāgarādyamidaṃ cūrṇaṃ kṛṣṇātreyeṇa pūjitam//
iti nāgarādyaṃ cūrṇam/
bhūnimbakaṭukāvyoṣamustakendrayavān samān/
dvau citrakādvatsakatvagbhāgān ṣoḍaśa cūrṇayet//

and piles, pain in the rectum, and it overcomes tenesmus. / This nāgarādya powder was honored by Kṛṣṇa Ātreya.
Thus ends nāgarādya cūrṇa.
Bhūnimba, kaṭukā, the three pungents, mustaka, and indrayava—equal parts; / two parts of citraka, sixteen parts of vatsaka bark: one should powder them.