Article

Understanding Loss of Smell: Causes, Treatment & When to See an ENT Specialist

May 3, 2026

Your sense of smell plays a critical role in your safety, nutrition, and overall quality of life. When it becomes diminished or lost, it can impact far more than just your ability to enjoy food.


Quick Key Points About Loss of Smell (Olfactory Dysfunction) 

  • Smell is closely tied to taste, memory, and emotional well-being 
  • Loss of smell can be caused by sinus issues, allergies, or infections 
  • Structural problems like a deviated septum can block airflow 
  • ENT specialists can diagnose and treat the root cause 
  • Treatment options range from medications to minimally invasive procedures 


Why Your Sense of Smell Matters


Our sense of smell is often underappreciated, until it’s gone. Olfaction plays a vital role in daily life, from enhancing the enjoyment of food to detecting environmental dangers like smoke or gas. It is also closely tied to memory and emotional well-being, making its loss both physically and psychologically impactful. 


Several common conditions can impair the sense of smell. Chronic sinusitis, nasal polyps, allergic rhinitis, and viral infections can all disrupt the normal function of the olfactory system. Structural issues such as a deviated septum may also contribute by blocking airflow to the olfactory cleft. In some cases, smell loss may be one of the earliest signs of neurologic conditions. 


ENT specialists are uniquely equipped to evaluate and manage these disorders. A thorough nasal examination, often including endoscopy, helps identify inflammation, obstruction, or anatomic abnormalities. Medical treatments may include topical or oral corticosteroids, saline irrigations, and targeted therapies for underlying allergies or infections. When medical therapy is insufficient, surgical interventions such as endoscopic sinus surgery or polyp removal can restore airflow and improve olfactory function. 


Addressing smell disorders is about more than convenience. It’s about restoring safety, nutrition, and quality of life. 


When to See an ENT Specialist for Loss of Smell 


If you notice a persistent reduction or loss of smell, especially following a sinus infection, illness, or ongoing nasal congestion, it’s important to seek evaluation. Early diagnosis can help identify underlying conditions and improve treatment outcomes. 


Serving Patients Throughout Southeast Michigan 


Hills ENT proudly serves patients in: Bloomfield Hills, Troy, Birmingham, Bingham Farms, Southfield, Pontiac, Waterford, West Bloomfield, Auburn Hills, Royal Oak, Sterling Heights, and Ferndale. 


Schedule an Evaluation Today 


If you are experiencing changes in your sense of smell, don’t ignore the symptoms. Contact Hills ENT today to schedule an evaluation and explore personalized treatment options.

Frequently Asked Questions About Loss of Smell 

  • What causes loss of smell?

    Common causes include chronic sinusitis, nasal polyps, allergic rhinitis, viral infections, and structural issues such as a deviated septum that block airflow to the olfactory area. In some cases, smell loss may be related to neurologic conditions.

  • Is loss of smell permanent?

    Not always. When smell loss is related to inflammation, polyps, or a blockage, treating the underlying cause may help improve it. Recovery varies from person to person, so an evaluation is the best way to understand your outlook.

  • When should I see a doctor for loss of smell?

    You should see a doctor if your loss of smell lasts more than a few weeks, occurs suddenly, or is accompanied by other symptoms like congestion, sinus pressure, or headaches. 

Disclaimer: The information provided on this blog is for general informational purposes only and is not intended as, and should not be considered, medical advice. All information, content, and material available on this blog are for general informational purposes only. Readers are advised to consult with a qualified healthcare professional for medical advice, diagnosis, or treatment. The author and the blog disclaim any liability for the decisions you make based on the information provided. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.