Bad Odor In Nose

Some people complain of a sensation where they experience a rotten or feces smell in the nose. The cause may be varied such as a sinus infection, nasal polyp, postnasal drip and tonsil stones.

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What are the causes of bad nose smell?

Query: Hello doctor,Why do I have this bad smell coming from my nose? It is embarrassing. People around me smell it all the time. I do not have my mouth open and people smell it soon as I walk in the room. What is it?   Read Full »

Dr. Subhadeep Karanjai

ENT Otolaryngologist

Answer: Hi, Welcome to The first thing that comes to my mind is a disease called atrophic rhinitis. Here, the mucous membrane and structures inside the nose shrink and the nasal cavity is filled with crusts, which get infected and smell. In this condition, the patient has decreased sense of s...  Read Full »

What could be the reason for chronic cough with bad smell in mouth and nose in a small kid?

Query: Hi doctor, My son is 2 years old. He has been coughing for more than two months now. He coughs every time he wakes up from sleep and whenever his back would sweat. The cough starts dry then would eventually sound thundery with phlegm. He also gets irritated with his nose sometimes. I could smell f...  Read Full »

Dr. Zubayeralam

Family Physician, General Medicine Physician, General Practitioner, Pulmonologist, Internal Medicine Physician

Answer: Hi, Welcome to I can understand your concern. According to your statement, your 2 years old baby has been suffering from cough for more than two months and you could smell bad smell from his mouth and nose. Chronic cough with foul-smelling can result from any respiratory tract inf...  Read Full »

Along with flu symptoms, I have a foul-smelling greenish discharge from my nose. What could it be?

Query: Hello doctor, Seven days back, I had flu-like symptoms with very mild fever (max 99 degrees) and little body ache, which lasted for a day or two. However, I did not get any sneezing or cough to date. At present, there is no fever. But after then, my right nostril is consistently producing foul-smel...  Read Full »

Dr. Shyam Kalyan N

Allergy Specialist, General Practitioner, ENT Otolaryngologist, Family Physician

Answer: Hello, Welcome to You defaulted on the course and dosage of Augmentin 625. It was supposed to have been taken thrice daily for at least five days. With the regimen that you made, I doubt if any bacteria would have got killed, but you would have most probably resulted in a resistant st...  Read Full »

Why do I smell feces when there is nothing around?

Query: Hello doctor, I have bad faeces smell coming from my nose when I breathe. What could be all possible causes? Nobody around me feels that smell and that is how I got to know that it is from my nose itself. Please advice.  Read Full »

Dr. Shyam Kalyan N

Allergy Specialist, General Practitioner, ENT Otolaryngologist, Family Physician

Answer: Hello, Welcome to Bad smell during breathing could be due to various reasons. Let us see those one by one. Malignancy: an intranasal (inside the nose) or intraoral (inside the mouth) malignancy can produce foul smell, that can be perceived as faeces smell by the nose. Malignancy can ...  Read Full »

Can continuous use of nasal spray cause sinus odor?

Query: Hello doctor,I have been dealing with a sinus odor problem for years. I am a fair online researcher and I have been shocked by how unique my problem seems to be. The odor varies in strength and seems to disappear and return over time. I have seen numerous ENT specialists over the years and with the ...  Read Full »

Dr. Mohammed Osama Aboborda

ENT Otolaryngologist

Answer: Hi, Welcome to You may have atrophic rhinitis due to long use of intranasal sprays. Do you have any hard crest inside your nose? What about your smell sensation? Please send me your CT scan. For more information consult an ENT otolaryngologist online -->  Read Full »

A foul smell comes out of my nose. What could it be?

Query: Hi doctor, I have a serious oral problem for 9 years or so. I am now 19. I have had this metallic taste in my mouth and white tongue, no matter how much I scrap and scrub. Some foul smell comes out of my throat. My mouth can be close yet this smell still seems to get out most likely through my nose....  Read Full »

Dr. Alok Rathi

ENT Otolaryngologist

Answer: Hi, Welcome to Foul smell is formed by bacteria. So, it is seen in conditions where they are residing for a long time. Normally our nose and throat have commensals and they get washed away by our normal secretions of the nose and throat. Bad smell in nose is seen in conditions like, a...  Read Full »

What is the reason for continuous sneezing in a child?

Query: Hi doctor, My toddler was sneezing continuously yesterday and her nose was runny. However, it reduced to a large extent now. We had our room painted a day before yesterday. Could it be due to paint allergy? Will the allergy symptoms show up immediately or will take a day's time? My 2-year-old has n...  Read Full »

Dr. Rajesh Babu


Answer: Hi, Welcome to I have gone through the query you posted. According to the history you have given, it is an allergy because of the paint smell. That is the reason he is getting sneezing and running nose. As you think, it is not because of some foreign body in the nose or in the throat....  Read Full »

I am having sinus infection and bad smell from nose. What can this be?

Query: Hello doctor, I had been having a sinus infection for four months. My doctor has tried everything. Now I have a bad smell coming out my nose. What can that be?  Read Full »

Dr. Shyam Kalyan N

Allergy Specialist, General Practitioner, ENT Otolaryngologist, Family Physician

Answer: Hello, Welcome to What are your symptoms like? Sinusitis symptoms are nose block, facial pressure or a headache, nasal discharge and a decreased sense of smell. This has to be objectively seen via nasal endoscopy or CT scan of sinuses. Has any been done on you? If so can you share wit...  Read Full »

Why do I get a bad smell from nose while breathing?

Query: Hello doctor, I have had this problem for years where a bad smell comes from my nose when I breathe. I am desperate for any type of help. It started after I got sick in high school. My tonsils were infected and enlarged. The infection came back a few more times until I was unable to get sick again....  Read Full »

Dr. Mohammed Osama Aboborda

ENT Otolaryngologist

Answer: Hi, Welcome to Do you smell the bad odor? Or the others only smell this odor? Please capture a photo of your throat using your mobile phone camera and send it to me. If you do not smell the bad odor, you may have atrophic rhinitis. If you can smell the bad odor, the problem can be in ...  Read Full »

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Disclaimer: All health Q&As published on this website are not intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek the advice from your physician or other qualified health-care providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website.