Persistent Unpleasant Smell Without Sinusitis: What to Do? - Otolaryngology

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Experiencing unusual odors without having sinusitis?


Hello, I have not experienced nasal congestion, but I have been unable to smell normal odors for the past three months.
I have undergone X-rays and a CT scan, which showed no signs of sinusitis, and my nasal passages are clear.
However, there is a deviation of the nasal septum.
I perceive a strange odor that makes food and dog feces smell the same, and it seems to permeate the air around me.
However, I can still detect the normal scent of perfumes.
This situation is very distressing for me.
What should I do?

Ding Yi Er, 20~29 year old female. Ask Date: 2006/05/14

Dr. Hu Kexin reply Otolaryngology


Hello, I recommend that you undergo an olfactory test at a medical center.
The factors affecting the sense of smell are not limited to the nasal organs; sometimes, the olfactory nerves and the brain also play significant roles.

Reply Date: 2006/05/14

More Info


Hello,
It sounds like you are experiencing a condition known as dysosmia, which is characterized by an altered sense of smell. In your case, it appears that you are perceiving a persistent unpleasant smell, even though you have been evaluated for sinusitis and found to be free of any sinus infection. The fact that you have a deviated septum (nasal septum deviation) could be contributing to your symptoms, as it may affect airflow and the way odors are processed in your nasal passages.

The human sense of smell is a complex process that involves not only the olfactory receptors in the nasal cavity but also the olfactory bulb and other areas of the brain. When you have a deviated septum, it can lead to uneven airflow through the nasal passages, which might affect how smells are detected. Additionally, even if your nasal passages are clear, other factors such as inflammation, allergies, or even neurological issues can impact your sense of smell.

Here are some steps you can take to address your concerns:
1. Consult an ENT Specialist: Since you have already had imaging studies done, it would be beneficial to follow up with an Ear, Nose, and Throat (ENT) specialist. They can perform a thorough examination of your nasal passages and may recommend further tests, such as a smell identification test or an endoscopic evaluation, to assess the condition of your nasal cavity and olfactory function.

2. Consider Allergy Testing: If you have a history of allergies, it may be worthwhile to undergo allergy testing. Allergic rhinitis can lead to inflammation in the nasal passages, which may affect your sense of smell. Identifying and managing any allergies could potentially improve your symptoms.

3. Evaluate Neurological Factors: Since the sense of smell is closely linked to the brain, it may be helpful to consider a neurological evaluation if your symptoms persist. Conditions affecting the olfactory bulb or pathways can lead to altered smell perception.

4. Nasal Irrigation: Regular nasal irrigation with saline solution can help keep your nasal passages moist and clear of irritants. This may help alleviate some symptoms, especially if there is any underlying inflammation.

5. Avoid Irritants: Try to avoid exposure to strong odors, smoke, or other irritants that could exacerbate your symptoms. Keeping your living environment clean and well-ventilated can also help.

6. Stay Hydrated: Ensuring you are well-hydrated can help maintain mucosal health in your nasal passages, which may improve your overall sense of smell.

7. Monitor Your Symptoms: Keep a diary of your symptoms, noting when they occur and any potential triggers. This information can be valuable for your healthcare provider in determining the underlying cause of your dysosmia.

8. Consider Psychological Factors: If you find that your symptoms are causing significant distress or anxiety, it may be beneficial to speak with a mental health professional. Anxiety can sometimes exacerbate sensory perceptions, including smell.

In conclusion, while your situation is certainly concerning, there are several avenues you can explore to seek relief. Working closely with healthcare professionals will be key in identifying the underlying cause of your altered sense of smell and developing an appropriate treatment plan. Remember that the sense of smell can be influenced by a variety of factors, and addressing them holistically will provide the best chance for improvement.
Best wishes for your health and recovery!

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