This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Presenting symptom of nasal myiasis is 
Select and explain. 
A. Severe irritation with sneezing, B. Maggots, C. Nasal pain, D. Impaired olfaction
A: Severe irritation with sneezing
Answer: A: Severe irritation with sneezing 
Explanation: 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