Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. If you are sure that your doctor inspected you perfectly, then he may be right. Otherwise, please visit another trust worthy doctor and confirm. For you, you need confirmation that there is no problem. You could be having illusions,. Illusions that you are having or feeling a worm inside your nose. Obsessive thinking about the worm could lead to this. Easiest method to overcome this obsessive thought and somatoform disorder is to ignore the symptoms and lead a normal life. If you require more of my help in this aspect, Please post a direct question to me in this website. Make sure that you include every minute details possible. I shall prescribe some psychotherapy techniques which should help you cure your condition further. Hope this answers your query. Available for further clarifications. Good luck.