After proper fomentation, the tip of nose elevated with the thumb of left hand and with the right hand the unctuous errhine should be dropped into the nostril through a tube or gauze, equally into both the nostrils.
प्रणाड्या पिचुना वाऽपि नस्तःस्नेहं यथाविधि| कृते च स्वेदयेद्भूय आकर्षेच्च पुनः पुनः||१०३||
After having done this, the head should be duly fomented and the instilled medicine should be repeatedly extracted along with the phlegmmatous discharge so that no medicine remains.
तं स्नेहं श्लेष्मणा साकं तथा स्नेहो न तिष्ठति| स्वेदेनोत्क्लेशितः श्लेष्मा नस्तःकर्मण्युपस्थितः ||१०४||
[Dhumapana (medicated smoking) and post nasya therapy] The mucus liquefied by the sudation, accumulated by the administration of errhine will get condensed back in the head due to the inherent coldness of the unctuous errhine which leads to diseases of ears, neck and throat.
भूयः स्नेहस्य शैत्येन शिरसि स्त्यायते ततः| श्रोत्रमन्यागलाद्येषु विकाराय स कल्पते||१०५||
Hence, after the errhine therapy, one should take smoking which eliminates kapha, consume wholesome diet, resort to breezeless, warm residence and observe self restraint.