Charak Samhita
पूजयन् प्रयतः शीघ्रं मुच्यते विषमज्वरात्। विष्णुं सहस्रमूर्धानं चराचरपतिं विभुम् ॥३११॥
Recitation of the sahasra nāma (one thousand names) of Lord Viṡnū, who has one thousand heads, who is the chief of the carācara (moving and non-moving things of the universe) and who is omnipresent cures all type of jwara.
english translation
pUjayan prayataH zIghraM mucyate viSamajvarAt। viSNuM sahasramUrdhAnaM carAcarapatiM vibhum ॥311॥
hk transliteration by Sanscript