Charak Samhita
रोगास्तस्य प्रवर्धन्ते दारुणा धूमविभ्रमात्। धूमयोग्यः पिबेद्दोषे शिरोघ्राणाक्षिसंश्रये ॥४६॥
or in an untimely condition, his disorders will aggravate dreadfully due to complications of dhumapana. ॥ Method of dhumapana (smoke inhalation)॥ The person eligible for dhumapana should inhale the smoke through nose in case of diseases of the head, nose and eye.
english translation
rogAstasya pravardhante dAruNA dhUmavibhramAt। dhUmayogyaH pibeddoSe ziroghrANAkSisaMzraye ॥46॥
hk transliteration by Sanscript