Sushruta Samhita
तत्र वर्षाहेमन्तग्रीष्मेषु सञ्चितानां दोषाणां शरद्वसन्तप्रावृट्सु च प्रकुपितानां निर्हरणं कर्तव्यम् ॥१२॥
During the rainy season (Varsha), autumn (Hemanta), and summer (Greeshma), accumulated doshas should be eliminated. In autumn (Sharad), spring (Vasanta), and monsoon (Prāvṛṣa) seasons, where these doshas become aggravated, measures should be taken to reduce and manage them.
english translation
tatra varSAhemantagrISmeSu saJcitAnAM doSANAM zaradvasantaprAvRTsu ca prakupitAnAM nirharaNaM kartavyam ॥12॥
hk transliteration by Sanscript