Why Does My Nose Smell a Bad Odor After a Fever? - Otolaryngology

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Why does the nose detect unpleasant odors?


A couple of days ago, I had a fever, and since then, I've been smelling a foul odor coming from my right nostril.
I don't have a runny nose, but when I swallow saliva, I feel post-nasal drip, which I end up swallowing.
However, that smell is so disgusting that it makes me want to vomit.
What should I do?

Ke lian de yu, 10~19 year old female. Ask Date: 2002/11/13

Dr. Cai Zhenggu reply Otolaryngology


Dear Fish, based on your description, you may be suffering from acute sinusitis.
You should visit an ENT specialist for examination and treatment.

Reply Date: 2002/11/13

More Info


Dear Patient,
I understand your concern regarding the unpleasant odor emanating from your nose after experiencing a fever. This situation can be quite distressing, and I appreciate your willingness to seek clarity on this matter. Let's explore the potential reasons behind this phenomenon and discuss possible steps you can take to address it.

Firstly, the presence of a foul odor in the nasal passages can often be attributed to a few key factors, especially following an episode of fever. One common cause is a condition known as sinusitis, which is an inflammation of the sinuses. When you have a fever, it may indicate an underlying infection, which can lead to swelling and blockage of the sinus cavities. This blockage can trap mucus, leading to bacterial growth and the production of foul-smelling secretions. The fact that you mentioned the odor is localized to one side of your nose could suggest that one sinus cavity is more affected than the other.

Another possibility is that the fever you experienced was related to a viral infection, such as the flu or a cold, which can also lead to changes in your nasal secretions. Sometimes, after a viral infection, the mucous membranes can become irritated or inflamed, leading to abnormal smells. This can occur even in the absence of significant nasal discharge or congestion.

Additionally, post-nasal drip could be a contributing factor. This occurs when mucus accumulates in the back of your throat and can lead to a sensation of bad taste or odor, especially if the mucus is infected or thick. You mentioned experiencing a sensation of mucus draining down your throat, which aligns with this possibility.

To address your concerns, here are some steps you can take:
1. Stay Hydrated: Ensure you are drinking plenty of fluids. Staying hydrated can help thin mucus secretions and promote drainage.

2. Nasal Irrigation: Consider using a saline nasal spray or a neti pot to rinse your nasal passages. This can help clear out any trapped mucus and reduce odor.

3. Steam Inhalation: Inhaling steam from a bowl of hot water or taking a hot shower can help soothe irritated nasal passages and promote drainage.

4. Consult a Specialist: Since the odor is persistent and bothersome, it would be wise to consult an ear, nose, and throat (ENT) specialist. They can perform a thorough examination, possibly including imaging studies, to determine if there is an underlying infection or structural issue contributing to your symptoms.

5. Monitor Symptoms: Keep track of any additional symptoms you may experience, such as fever, facial pain, or changes in your sense of smell. This information can be valuable for your healthcare provider.

In conclusion, while the unpleasant odor you are experiencing may be linked to sinusitis or post-nasal drip following your fever, it is essential to seek professional medical advice for a definitive diagnosis and appropriate treatment. Your health and comfort are paramount, and addressing these symptoms early can prevent further complications.

Best wishes for your recovery, and I hope you find relief soon.

Sincerely,
Doctor Q&A Teams
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