Ashtangasamgraha 2.21

2.21

bhiṣagdravyāṇyupasthātā rogī pādacatuṣṭayam |

cikitsitasya nirdiṣṭaṃ pratyekaṃ taccaturguṇam ||

bījaṃ vā tayoḥ samāṃśaṃ saṃmukhaṃ ca |

yadā ca bījaṃ bhāge duṣyati tadā dviprakṛtirdviretā napuṃsakaṃ bhavati ||

unnidratātṛḍbhramaromaharṣā jṛmbhātivāktvaṃ ca calāt sapittāt ||

galagraha (granthi) pramehārśaḥ plīhāpasmāraśophinām |

udāvartaparītānāṃ mandāgnikṛmikoṣṭhinām ||

drākṣāmbunā sayaṣṭyāhvasātalaṃ jaladātyaye ||

tadā ca tayorasampūrṇavīryatvāt punaḥ kālāntareṇa dantānāṃ patanamāpūryamāṇadhātutvācca punarutthānamata eva ca vṛddhānāṃ na punardantotpattiḥ ||

The physician, the substances, the attendant, and the patient are declared to be the four limbs / of treatment; each one of these has four qualities.
Or the seed of both is in equal portion and directly facing; / and when the seed is corrupted in its parts, then a hermaphrodite of dual nature and dual seed is formed.
Sleeplessness, thirst, dizziness, horripilation, yawning, and excessive talkativeness from moving [vāta] accompanied by pitta.
For those suffering from constriction of the throat, glandular swellings, urinary disorders, piles, splenomegaly, epilepsy, and oedema, / those beset with upward movement of vāta, and those with sluggish digestive fire and worms in the belly,
[one should give] trivṛt with grape water and liquorice at the end of the rainy season.
And at that time, because of their incomplete potency, the teeth fall out again after an interval of time, and they rise again because the bodily tissues are being replenished; and precisely for this reason, elderly people do not grow teeth again.