Olfactory issues
Hello Dr.
Zheng,
After a recent cold, I initially thought my inability to smell was due to the lingering effects of the illness.
Now, about two months later, I can smell again, but everything smells unpleasant.
Foods like chocolate and soda now have an off-putting odor, and I can only barely detect the scent of stronger fragrances.
What could be the issue? I look forward to your response and thank you for your assistance.
Bevis, 10~19 year old female. Ask Date: 2018/06/30
Dr. Zheng Jueyi reply Otolaryngology
Hello: It is possible that the damage to the olfactory nerve is caused by a viral infection, which is quite common.
If there is no improvement, it is recommended to visit the ENT department at the hospital for relevant examinations.
Wishing you safety and health.
Sincerely, Dr.
Zheng Jue-yi, Director of the ENT Department, Taoyuan Hospital, Ministry of Health and Welfare.
Reply Date: 2018/06/30
More Info
Dear Patient,
Thank you for reaching out regarding your concerns about smell disorders following your recent cold. It’s understandable to feel anxious about changes in your sense of smell, especially when they persist for an extended period. Let’s delve into the potential causes and solutions for your condition.
The phenomenon you are experiencing is known as "parosmia," which is a type of smell disorder that can occur after a viral infection, such as a cold. Parosmia is characterized by a distortion of the sense of smell, where familiar odors are perceived as unpleasant or different from what they should be. This condition often arises due to damage to the olfactory neurons or the olfactory bulb in the brain, which can occur during viral infections.
When you had your cold, the virus may have caused inflammation in your nasal passages and affected the olfactory epithelium, the tissue responsible for detecting smells. Although you mentioned that your ability to smell has returned to some extent, the distortion of smells indicates that your olfactory system is still recovering. This recovery process can take time, and it is not uncommon for individuals to experience parosmia for weeks or even months after the initial infection.
In terms of what you can do to help improve your situation, here are some recommendations:
1. Olfactory Training: This is a therapeutic approach that involves regularly smelling a set of specific scents (such as rose, lemon, clove, and eucalyptus) to help retrain your olfactory system. This practice can stimulate the olfactory neurons and may aid in the recovery of your sense of smell.
2. Avoid Irritants: Try to stay away from strong odors, smoke, and other irritants that may exacerbate your symptoms. This includes avoiding strong perfumes, cleaning products, and other chemical smells that can overwhelm your senses.
3. Consult an ENT Specialist: If your symptoms persist or worsen, it may be beneficial to consult an ear, nose, and throat (ENT) specialist. They can perform a thorough examination and may recommend additional treatments or therapies tailored to your specific condition.
4. Maintain Good Nasal Hygiene: Using saline nasal sprays or rinses can help keep your nasal passages moist and clear, which may facilitate better recovery of your sense of smell.
5. Healthy Lifestyle: Ensure you are maintaining a balanced diet, staying hydrated, and getting enough rest. A healthy immune system can support your recovery process.
6. Patience: Lastly, it’s important to be patient. The olfactory system can take time to heal, and many individuals report gradual improvements over several months.
In conclusion, while the distortion of smells can be distressing, it is often a temporary condition following a viral infection. With appropriate care and time, many individuals experience significant improvements in their sense of smell. If you have further questions or concerns, please do not hesitate to reach out.
Wishing you a speedy recovery and improved sense of smell.
Best regards,
Doctor Q&A Teams
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