The Compendium of Caraka 6.28.124

6.28.124

tasya śuktiḥ prakuñco vā nasyaṃ mūrdhagate 'anile/
grāmyānūpaudakānāṃ tu bhittvā 'asthīni pacejjale//

a śukti or a prakuñca of it is used as nasal drops when wind has gone to the head. / Having crushed the bones of domestic, wetland, and aquatic animals, one should boil them in water;