Our sense of smell is part of our chemical sensing system.The smell (olfactory) nerve is located above the sinuses that lie between your eyes. If smells cannot reach that area, you can have a decrease in your ability to smell or your perception of odors may change.
Smell disorders have many causes, but most of the time they are due to swelling in the nose that prevents olfactory nerve stimulation. Smell disorders can be caused by:
There are different types of smell disorders. These include:
While certain smell disorders are permanent, others can be effectively treated. Patients with nasal and/or sinus conditions can be managed with sinus rinses, decongestants, antihistamines, antibiotics, and oral or topical steroids alone or in combination. Steroids can also be injected into the polyps or swelling, given intramuscularly or intravenously. Surgery is sometimes recommended for nasal polyps, chronic sinusitis, deviated septum or other nasal anatomic obstruction.