The Compendium of Bheḷa 8.1.10

8.1.10

taruṇā balavantaś ca vāmayed uttamena tān | madhyame prāṇavayasi madhyamaṃ tatra kārayet ||

and are youthful and strong—he should induce emesis in them with the highest dose. / In the case of medium vitality and age, he should administer the medium dose there;