The Compendium of Bheḷa 3.5.2

3.5.2

guruvyādhirivābhāti bhiṣak tatra pramuhyati | tatrālpamātraṃ bhaiṣajyaṃ sevitaṃ gururogiṇām ||

and thus appears as if severely diseased; the physician is bewildered in this matter. / If a small dose of medicine is administered there to the severely ill,