Charak Samhita
तथा लघ्वशनाद्याश्च ज्वरस्यैकस्य शान्तयः । एताश्चैव ज्वरश्वासहिक्कादीनां प्रशान्तयः ॥३२॥
For treating a single disease like jwara, multiple therapies like light diet, etc. are needed and the same multiple therapies like light diet etc. are needed to subside many diseases like jwara(fever), shwasa(dyspnea), hikka(hiccups) etc.
english translation
tathA laghvazanAdyAzca jvarasyaikasya zAntayaH । etAzcaiva jvarazvAsahikkAdInAM prazAntayaH ॥32॥
hk transliteration by Sanscript