Hi, Welcome to healthcare magic I have read the query and understand the discomfort you are in.Crooked nasal symptom indicates that the nasal septum or you can say the partition in the nose separating the nostrils has has deviated to right or left which usually is in the center of nose. Nasal septum is made up partly of bone and partly of cartilage,as it is deviated in your case the the side to which it is deviated will lead to narrowing of that nostril leading to recurrent infections leading to the mucosal thickening in sinuses. Sinuses are the air filled spaces in facial bones surrounding the nasal cavity responsible normally for proper humidification of inhaled air and other defense functions which are due to covering called mucosa.Now,due to narrow air passage on the side of deviation of nose the chances of infections of these sinuses increase causing thickness of mucosa,headache,facial pain,difficulty in breathing,nasal blockage,decreased smell sensation. I usually suggest my patients in these conditions: 1.Inhalation of steam 2-3 times a day especially at night time to relieve the obstruction in nose. 2.Use of ocean nasal saline spray will prevent drying of nose and relieve headache due to congestion. 3.Eat healthy,adequate food for good immunity and avoid oily,spicy and cold foodstuffs. 4.Nasal decongestants like otrivin nasal spray can be used occasionally for nasal obstruction. 5.Avoid environmental pollution by wearing a mask when you go outside. 6.Remember,if the infections with symptoms like headache are recurrent then you have to consult an ENT specialist for surgery of reduction of crooked nose to get it straight called septoplasty.Surgery will help improve the nasal passage leading to absence of symptoms. Hope this solvess your query. Kindly rate my answer if you find it useful.Feel free to further doubts.Take care. Regards, Dr,Tushar Tamboli