<prompt> Presenting symptom of nasal myiasis isSevere irritation with sneezingMaggotsNasal painImpaired olfaction  <response>: Clinical features of nasal myiasisInitial symptoms 3-4 days maggots:- Intense irritation, sneezing, headache, blood stained discharge, lacrimationLater:- Maggots may crawl out of the nose and there is a foul smellRef: PL Dhingra, Diseases of Ear, Nose Throat, 7th edition, pg no. 181 - 182 