The Compendium of Caraka 1.10.13

1.10.13

doṣaścaikaḥ samutpattau dehaḥ sarvauṣadhakṣamaḥ /
catuṣpādopapattiśca sukhasādhyasya lakṣaṇam //

where a single doṣa is involved in its onset, the body is capable of tolerating all medicines,
and the four pillars are fully available—this is the characteristic of an easily curable disease.