The Compendium of Bheḷa 6.6.40

6.6.40

tasmāt teṣāṃ prathamataḥ sirākarma vidhīyate | kuṣṭhasyātyalpato nyāyyaṃ bahuśaḥpracchanaṃ smṛtam ||

therefore, bloodletting is prescribed for them at the very outset. / For a very minor skin disease, repeated scarification is considered proper;