Loss of smell
The loss of smell in this case happened after a cold. The cold viruses can sometimes affect the Olfactory Nerve (smell nerve) and destroy it completely. In these cases the chances of recovery are slim. However it is very important to make sure there is no other reason for loss of smell such as nasal polyps, tumor in the nose etc. This merits a visit to an Otolaryngologist and nasal endoscopy and may be a CT scan of sinuses.
This answer is not intended to give a medical opinion and does not substitute
for medical advice. The information presented in this posting is for patients’
education only. As always, I encourage you to see your personal physician for
further evaluation of your individual case.
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Loss of smell following rhinoplasty
I believe your loss of sense of smell is more likely related to your upper respiratory infection than to your operation, although the operation may have predisposed the olfactory nerves to being more sensitized to the virus. It is common for people to have diminished sense of smell after surgery due to swelling and congestion because less of the chemicals can actually be delivered to the Olfactory nerves and the nerves themselves may be swollen. Usually this returns within 6 weeks . In your case function returned so one would expect that any recurrence subsequently had to do with something else. It is a known fact that viruses can cause irreversible damage tot he olfactory nerves and that is likely what happened.
I know of a very good neurologist in Chicago named Alan Hirsch that has a smell and taste disorders center and I would recommend that you contact them for a potential work up. There are things that might work to return your sense of smell.
Loss of Smell Following Surgery and Cold
In my opinion, it is more likely the cold is the causative factor in your loss of smell. A cold is essentially the result of a virus and it is known that this type infection can adversely effect the olfactory nerves (smell nerves) in the upper portion of the nasal cavity. It is much less likely that surgery was the causative factor - especially since your smell returned within 2 weeks of the procedure. I would recommend you consult with an expert rhinologist in your local area. Wishing you the best.