2 adjectives to describe purger

A good vomit, I confess, a virtuous herb, if it be well qualified, opportunely taken, and medicinally used; but as it is commonly abused by most men, which take it as tinkers do ale, 'tis a plague, a mischief, a violent purger of goods, lands, health, hellish, devilish and damned tobacco, the ruin and overthrow of body and soul.

Polypody and epithyme are, without all exceptions, gentle purgers of melancholy.

2 adjectives to describe  purger