The Compendium of Kāśyapa 8.8.26

8.8.26

viṣamā viṣamaireva hanyante bastibhirgadāḥ
ekastrayo vā kaphaje paittike pañca sapta vā

Uneven diseases are destroyed only by uneven [numbers of] enemas: / one or three in a kapha-born condition; in a pitta condition, five or seven;