The Compendium of Caraka 6.3.60

6.3.60

durlabhopaśamaḥ kālaṃ dīrghamapyanuvartate/
iti buddhvā jvaraṃ vaidya upakrāmettu &santatam//
&`santataṃ samupācaret' iti pā-.
kriyākramavidhau yuktaḥ prāyaḥ prāgapatarpaṇaiḥ/
raktadhātvāśrayaḥ prāyo doṣaḥ satatakaṃ jvaram//

its relief difficult to attain, it persists for a long time. / Understanding this, the physician should manage continuous fever,
engaged in the proper sequence of procedures, generally first with reducing measures. / Residing mostly in the blood tissue, the doṣa produces remittent fever,