Rasaratnasamuccaya 2.75

kṣaudrājyasaṃyutaṃ prātarguñjāmātraṃ niṣevitam /
nihanti sakalānrogāndurjayānanyabheṣajaiḥ /
triḥsaptadivasair nṝṇāṃ gaṅgāmbha iva pātakam //