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Doctor insights on: My 7 Year Old Breath Smells Like Rotten Eggs

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My urine smells like rotten eggs and sulphur. My sweat & my breath smells the same. Ppl say my breath smells like metal. No uti, diabetes, or STD.?

My urine smells like rotten eggs and sulphur. My sweat & my breath smells the same. Ppl say my breath smells like metal. No uti, diabetes, or STD.?

Metal: Traces of iron in hemoglobin present in blood, which is present in small amounts on an inflamed mucosal surface of nose and sinus, can create a "metal" smell. This can represent an infection. Do a home urine dipstick test on your urine. ...Read more

Dr. Greg Rubin
438 doctors shared insights

Bad Breath (Definition)

A foul odor from the mouth. Bad breath can be caused by many different factors, including sinus infections, periodontal problems, smoking, cavities, acid reflux, and your diet. Address all of these possibilities with ...Read more


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What does it mean when your breath smells like eggs?

What does it mean when your breath smells like eggs?

Many possible reason: Smelly breath x
can be caused by gum problems, tooth decay, food retention, stomach problems, sinus infection so have it checked out. ...Read more

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Sudden bad breath? Smells like eggs, sometimes in nose as well. Been going on for 4 months now

Sudden bad breath? Smells like eggs, sometimes in nose as well. Been going on for 4 months now

Gum Disease #1: The #1 reason for bad breath is gum disease. Volatile sulfur compound (vsc) are released which causes the rotten egg smell. There are mouth rinses that will neutralize vscs, but the source, which is most likely infected gums, needs to be treated. You will need to see your dentist to treat any gum infection and your physician to rule out a sinus infection or other possible source of your problem. ...Read more

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My 2 year olds breath smells like vomit all the time, what could be causing this?

My 2 year olds breath smells like vomit all the time, what could be causing this?

Reflux: Without other details, we can't be sure. He could be spitting up in his mouth. Another reason for the smell is post nasal drip: if he has nasal allergy and produces mucus in his nose, it could drip to the back of the throat and cause the breath to be foul. Take him to the doctor to have this sorted out. ...Read more

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My 9 year olds breath smells like urine. What could this mean?

My 9 year olds breath smells like urine.  What could this mean?

See ENT Specialist: He needs to be thoroughly examined by an ENT specialist to check for chronic sinusitis and gum disease. If he truly has "urine" like smell then he must have blood test done to check kidney function. Uremia causes such body odor. ...Read more

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My 14 year old daughter has really bad breath and her sweat smells like vomit, for years. Help?

My 14 year old daughter has really bad breath and her sweat smells like vomit, for years. Help?

A visit to the: Dentist and pediatrician I'm assuming have already been done. Good hygiene (oral and overall) are obviously paramount. With that said there is a dental rinse called smart mouth available otc that I have had patients report really helps. Make sure the brushing of the teeth and tongue is happening at least 2x/day for at lest 2 minutes each time. A tongue brush system by tung is also very good. ...Read more

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My four year old son breath smells like garlic all the time. We brush his teeth, floss and he uses mouthwash and the garlic smell is still there!

My four year old son breath smells like garlic all the time. We brush his teeth, floss and he uses mouthwash and the garlic smell is still there!

Garlic breath: Give him plenty of fluids, avoid spicy food, chewing sugarless gum, brushing his teeth & gargling with antiseptic mouth wash can help, if persisted see his pediatrician & dentist. Chronic nasal congestion or nasal foreign body can cause bad odor too. Good luck. ...Read more

Dr. Paul Grin Dr. Grin
2 doctors agreed:
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My nine year old son mouth smells bad breath with no dental problem what is the cause.

Dr. Paul Grin Dr. Grin
2 doctors agreed:

See a pedodontist: The proper diagnosis is the key to a successful treatment. See your pedodontist for Halimeter test, diagnosis and bad breath treatment that depends on its cause. Good luck. ...Read more

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My 7 year old constantly has bad breath despite flossing brushing and mouthwash constantly what can be causing this — she's had issue since 3years old I took her to an ENT they saw nothing?

My 7 year old constantly has bad breath despite flossing brushing and mouthwash constantly what can be causing this — she's had issue since 3years old I took her to an ENT they saw nothing?

Stomach/GI issues: If your 7 year old has a clean bill of health from your dentist and ent, the next logical place to evaluate for bad breath is further down the digestive track. I would seek out the opinion of your pediatrician about an evaluation for a stomach disorder. Good luck! ...Read more

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Hi! I am 19 years old and I get acid reflux after each meal and my breath smells bad even after brushing. Please help me! I feel so bad and guilty :(?

Hi! I am 19 years old and I get acid reflux after each meal and my breath smells bad even after brushing. Please help me! I feel so bad and guilty :(?

Take action: You should make two appointments. 1) physician to see why the acid reflux hiatal hernia? 2) see a dentist for a good cleaning and floss your teeth every day you can treat this problem quickly and feel better about yourself!

Chuck. ...Read more

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Is it harmful to breath in propane fumes my neighbor downstairs has a leak cause that's all I smell they have a one and seven year old children?

Is it harmful to breath in propane fumes my neighbor downstairs has a leak cause that's all I smell they have a one and seven year old children?

Get Help!!: Yes, it can be harmful to breathe propane but not as harmful as being in the house or nearby when the accumulated propane explodes. Alert your neighbors right away of the danger of the propane leak. If they don't listen or care, then call the fire department but stay away from that leak until he fixes it and if they continue to expose their children after that, call child protective services. ...Read more

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Hi, I have been experiencing bad breath for about a year now and it smells like feces and I honestly don't know what to do. I brush my teeth twice a d?

Brushing not enough: Brushing alone will not create a healthy oral environment. Halitosis may be caused by GERD, medications, diet, failure to clean between teeth, need to dislodge material from top of tongue, infected tonsils/adenoids/sinuses, metabolic disorders, etc. Please, you need a full work-up by BOTH your General Dentist and your General Physician. ...Read more

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My 4yr old son has been eating alot more lately and today his breath smells like onions to me. What could cause it.

My 4yr old son has been eating alot more lately and today his breath smells like onions to me. What could cause it.

Gas: As we eat more foods sometimes the combos can produce different odors from gas Also makes sure you brush teeth regularly ...Read more

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My 8 yr old daughters breath smells like urine. What could this mean?

My 8 yr old daughters breath smells like urine. What could this mean?

Needs evaluation: It means that something's out of balance. Start with Dentist to evaluate for infection. Then see Physician to evaluate for systemic problem. Please call now. ...Read more

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My 3 month old babys breath smells like urine what could this be? He has cmpa and is on nutramigen allergy milk

My 3 month old babys breath smells like urine what could this be? He has cmpa and is on nutramigen allergy milk

Bad breath: Not to be an alarmist, but bring the issue to your pediatrician's attention. Kidney problems can allow the build-up of chemical and those can cause the breath to smell like urine. ...Read more

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My 7 month old breath smells lile his poop. Is that normal? He poops 2-5 times a day eats normal and is up to date with everything.

My 7 month old breath smells lile his poop. Is that normal? He poops 2-5 times a day eats normal and is up to date with everything.

Bad breath: A baby's breath should never smell bad unless there is an infection. Does he have a clogged nose? Do you have an older child, maybe 3 or 4 year old? These youngsters are known to stick objects in their body openings. I suspect something like that may be happening to his nose. Have see his pediatrician. ...Read more

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My 9mos old daughter got her last hep booster and flu shot at her appointment this morning. Now her breath smells bad/funny/off. Should i be concerned?

My 9mos old daughter got her last hep booster and flu shot at her appointment this morning. Now her breath smells bad/funny/off. Should i be concerned?

Sometimes: Sometimes after shots the immune system is stimulated and this can happen. Is your daughter eating and drinking normally? Make sure she is not dehydrated. If she is generally acting normally and there are no other symptoms, then don't worry, just keep an eye on her. And clean her teeth with a soft toothbrush. ...Read more

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My 3 yr old son has a mild fever, compared to yesterday's high fever. He isn't vomiting and his urine output is fine. His breath smells funny, sour?

Mouth odor: Make sure that you are brushing your son's teeth even though he is sick. It is important to keep him hydrated and well nourished. The bad breath may be related to his illness and should improve when he does. However, if it does not improve, then see a dentist and get his mouth checked. ...Read more

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2yr old with viral rash, fever and ulcers all around edges of tongue. No ear or throat infection present. What's causing it? His breath smells so bad

Coxsackie virus?: Coxsackie virus is usually a milder 3-7 day course self-limited infection commonly known as 'hand, foot, and mouth disease, ' named for the most likely sites it attacks. It occurs mostly in younger children, but also can affect older children and adults. Mouthwash, brushing, and a trip to the doctor are needed, bad breath is a sign of bacterial growth that can complicate the infectious course ...Read more

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My urine smells like rotten eggs periodically, my right thigh and fingers go numb and cold, shortness of breath when active.

My urine smells like rotten eggs periodically, my right thigh and fingers go numb and cold, shortness of breath when active.

Various symptoms: Foul smelling urine is nonspecific and a simple urinalysis and microscopic examination would check for urinary tract disorders. Numbness in the right thigh suggests a nerve impingement which may be in the vicinity of the groin. Fingers turning cold, especially on exposure to cold temperatures, caused by vasospasm as seen in Raynaud's syndrome. Your physician can refer you to appropriate specialists ...Read more

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My 7yr old daughter has burps that smell like rotten eggs, she has a dairy allergy & we avoid dairy. What is the possible reason & treatment?

My 7yr old daughter has burps that smell like rotten eggs, she has a dairy allergy & we avoid dairy. What is the possible reason & treatment?

Rotten egg burps: Rotten egg burps are formed from the release of hydrogen sulfide gas that can be produced, by small bacterial overgrowth, infection, certain drug but mostly food primarily vegetables. Treatment is usually helped by drinking lots of water or eating fresh fruit. ...Read more

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I have had bad breath 4 years, but have never been able 2 smell it. Others reactions made me aware of it. I can now smell a foul order when I breathe?

I have had bad breath 4 years, but have never been able 2 smell it. Others reactions made me aware of it.  I can now smell a foul order when I breathe?

Bad breath: Halitosis, bad breath is caused by poor dental health, tooth decay and may be a sign of other systemic health problems. Also, the type of food you eat or other factors like smoking can effect your breath. Rec.: see a dentist to determine the cause of the problem and proper treatment. ...Read more

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Im42 yrs. Old women suffering from heavy growth on togue bacteria & no madecines or washes or foaming or gargles make useto stop the bad breath smell, cyteal vaginite foaming solution give me good results for few hours give me advice

Im42 yrs. Old women suffering from heavy growth on togue bacteria & no madecines or washes or foaming or gargles make useto stop the bad breath smell, cyteal vaginite foaming solution give me good results for few hours give me advice

Only 1 good solution: I have been treating bad breath patients for over27 years. The main consept here is to completely eliminate odor producing bacteria, unfortunately brushing and flossing a mouthwash doesnot provide long-lasting effect, due to a fact that it only mechanically removes very small fraction of bacteria from your mouth. We have been utlising full mouth detox and other methods and can achieve 98% succes. ...Read more

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Heey doc, ivee been having this chronic bad breath for the pass 3 years now. People could smell me from close doors and feets away. I tried everything?

Heey doc, ivee been having this chronic bad breath for the pass 3 years now. People could smell me from close doors and feets away. I tried everything?

Determine the cause: Once the cause of your bad breath is determined, you can address the factors and treat your halitosis Diet, sinus infection, decayed teeth, periodontal disease, and acid reflux are a few of the most common causes. Start with your dentist... get a thorough exam and a professional cleaning; have all decayed teeth restored. If problem persists, see a gastroenterologist. ...Read more

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My son just had tonsils removed 4 days ago and has terribly bad breath. What can I do to ease the smell? When will it go away? He's 8 yrs old.

May Be Normal: Talk to the ent. This can be normal after such a surgery and may take 1-2 weeks to get better. I hesitate to gargle without their advice. ...Read more

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Belching all the time, especially after I had an egg sandwich, and bad breath follows with it. Feel a thickness in mouth, probiotic yogurt helped a little?

GERD symptoms: Gastroesophageal reflux disease is caused by dysfunction of a valve opening to the stomach from esophagus. When swallowing, the valve opens briefly to allow food to pass. It fails to close tightly to prevent acid from splashing back (reflux) damaging the esophagus. Symptoms: belching, throat-clearing, heartburn, sour taste, bad breath. Treatment includes lifestyle changes and often medication. ...Read more

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What does it mean when your breath smells like moth balls?

Plaque bacteria: Most bad breath comes from bacteria in your mouth. Have you had your teeth cleaned recently? You need to brush your teeth, floss and clean your tongue, and see a dentist regularly. Periodontal disease will cause bad breath. If your mouth is clean and healthy then see md. Medical causes could be diabetes, acid reflux, gerd, allergies, post nasal drip. ...Read more