Ashtangasamgraha 7.62

7.62

karkandhubadaradīnāṃ śramatṛṣṇāklamacchidaḥ |

saktavo 'mlarasā hṛdyā yathādravyaguṇāśca te ||

evamasyānupaśame lalāṭe vyadhayet sirām ||

The roasted flours of karkandhu, badara, and the like alleviate fatigue, thirst, and exhaustion; / they have a sour taste, are wholesome for the heart, and share the qualities of their source substances. / If it does not subside in this way, one should puncture a vein on his forehead.