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Doctor insights on: Smelling Disorders Taste And Smell Disorders

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Can allergies cause foul smell and taste?

Yes: If you have significant inflammation in the sinuses, there can be residual changes in the sense of smell and taste. Additionally, if you make copious amounts of mucus, then bad breath is very common. ...Read more

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Dr. Franklyn Gergits
18 doctors shared insights

Smelling Disorders (Definition)

Smelling disorders ...Read more


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Is loss of taste and smell normal with aging — or could loss of taste and smell have other causes?

Is loss of taste and smell normal with aging — or could loss of taste and smell have other causes?

Some loss of taste and smell is natural with aging, especially after age 60: Various other factors also can contribute to loss of taste and smell, however, including: Nasal and sinus problems, such as allergies, sinusitis or nasal polyps, Certain medications, including beta blockers and angiotensin-converting enzyme (ACE) inhibitors, Dental problems, Cigarette smoking, Head or facial injury, Alzheimer's disease, Parkinson's disease. Loss of taste and smell can have a significant impact on quality of life, often leading to decreased appetite and poor nutrition. Sometimes loss of taste and smell contributes to depression. Loss of taste and smell also might tempt you to use excess salt or sugar on your food to enhance the taste — which could be a problem if you have high blood pressure or diabetes. If you're experiencing loss of taste and smell, consult your doctor. Although you can't reverse age-related loss of taste and smell, some causes of impaired taste and smell are treatable. For example, your doctor might adjust your medications if they're contributing to the problem. Many nasal and sinus conditions and dental problems can be treated as well. If you smoke, quitting can help restore your sense of smell. If necessary, your doctor might recommend consulting an allergist, an ear, nose and throat specialist (otolaryngologist), a neurologist or other specialist. ...Read more

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What causes rotten egg(sulfur?) Smelling burps?Diarrhea, vomiting (taste like rotten eggs smell ) for over 2 months? Also no appetite.bc I feel full

What causes rotten egg(sulfur?) Smelling burps?Diarrhea, vomiting (taste like rotten eggs smell ) for over 2 months? Also no appetite.bc I feel full

Diverticulum: This could be an esophageal diverticulum, but the best thing to do would be to be seen by a GI doctor and fully evaluated, since there are several other potentially serious diagnoses that could be considered. Good luck. ...Read more

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Have some foul smell in nose and taste in mouth. Tonsil infection or sinus problem?

Have some foul smell in nose and taste in mouth.  Tonsil infection or sinus problem?

Foul smell: Foul smell in nose/mouth can be caused by both sinus/tonsil infection. With sinus infection one has nasal congestion with thick yellow/green nasal discharge/post nasal drip with tonsil infection one has sore throat. ...Read more

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What causes a yellow tongue and burps that smell like rotten eggs?

What causes a yellow tongue and burps that smell like rotten eggs?

GERD: Gastroesophageal reflux disorder can cause these symptoms. Please check with a physician to be medically evaluated. ...Read more

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What causes loss of taste and smell?

Anosmia: Taste is mostly dependent on the sense of smell. Loss of that sense is called anosmia. A very common cause is head trauma, due to shearing of the tiny nerves from the nose going into the brain through a perforated cribiform plate at the base of the skull. Sudden jarring can sever those nerves. There are other conditions and medications that can impair this sense, too. ...Read more

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BO smells like onion? Mouth taste of onion, what causes this?

BO smells like onion? Mouth taste of onion, what causes this?

Body smell: Body smell is unique to an individual. Varies in health ans in disease. Such as in Keto-Acidosis, after heavy smoking, alcohol intake, etc. Body odor does not come from sweat itself because sweat is odorless. Your body produces two types of sweat: the eccrine sweat and apocrine sweat . The eccrine sweat represents a clear sweat, consisting mostly of water that does not smell and plays an important role in regulating our body temperature. The apocrine sweat that is produced by the glands is thicker and is located mainly near hair follicles, on the groin area, in the armpits and on the scalp. When bacteria contacts with apocrine sweat on the surface of the skin, the release of chemicals produces your body odor. Women A curious study conducted by researchers at Firmenich, a company in Geneva revealed that women's body odor contained high levels of sulphur compound, which together with bacteria, feeding on sweat, produces chemical compound thiol that has a smell of onion. According to their findings, men's sweat was found to contain high levels of fatty acid, which when mixed with bacteria from the underarm, produces the smell, resembling cheese. ...Read more

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Does bacteria that causes food poisoning make food look, taste, and smell unpleasant?

Does bacteria that causes food poisoning make food look, taste, and smell unpleasant?

Not necessarily: Quite often the food does not look, smell or taste spoilt but still carries agents of food poisoning, including bugs, toxins and chemicals. ...Read more

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Imaginary sense of smell associated with parkinsons?

Imaginary sense of smell associated with parkinsons?

Parkinsons hallucina: Patients with neurodegenerative conditions like parkinson's may commonly complain of hallucinations and this includes taste, smell, visual and hearing. Typically don't see a lot of motor/tactile hallucinations. These hallucinations can be seen in a number of conditions and should be evaluated for other disturbances with further imaging in some cases. Typically not dangerous. ...Read more

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The urine either HS strong odors of hickory/bacon smell n some x`s a foul smell like spoiled food. Wine is drank n there are no other signs of infection?

The urine either HS strong odors of hickory/bacon smell n some x`s a foul smell like spoiled food. Wine is drank n there are no other signs of infection?

Urine odor: More often than not the odor associated with urine is actually from the vagina. Have you been examined, had urinalysis, been seen by a doctor? Urine odor is most commonly associated with dietary intake. Have you ever eaten asparagus? Then you will know what this means. See someone and be examined. ...Read more

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What causes a foul smell in discharge and urine?

What causes a foul smell in discharge and urine?

Infection: Discharge or urine should never smell bad and generally indicates an infection. You need to get tested for vaginal infection, sexually transmitted infection and urinary tract infection. Gonorrhea, trichomonas, bacterial vaginosis have a bad odor, chlamydia and yeast less likely. Any partners should be tested and treated as well. ...Read more

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Does GBS affect taste and smell?

You Have Poor Taste: You read articles that it is very rare, but there's lots of people writing in on-line forums that they have had alterations of their smell and/or (more commonly amongst them) taste. Seems that it eventually gets normal again. One study in 2002 in a journal named 'Neurology' described a patient so affected, with descriptions of others. In any event, it doesn't appear to be permanent. ...Read more

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Lack of smell and taste linked to fungal infection in sinus?

Lack of smell and taste linked to fungal infection in sinus?

Those symptoms...: Are not specific for fungal sinusitis. They could occur with a viral or bacterial sinus infection. ...Read more

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I am experiencing metallic taste in mouth and strange smell or taste.

I am experiencing  metallic taste in mouth and strange smell or taste.

Metallic taste: Could be from infected/bleeding gums, food impaction areas between and around teeth, a broken/loose dental restoration, infected throat/tonsils/adenoids/sinuses, neurologic impairment, systemic disease, etc. As m metallic taste most often has an oral cavity cause, first see your Dentist. If there are no dental markers you will be referred to appropriate dental or medical specialist for evaluation. ...Read more

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What could cause a salty taste in one's mouth and and urine that smells like ammonia?

What could cause a salty taste in one's mouth and and urine that smells like ammonia?

Likely dehydration.: A urine that smells like ammonia is likely due to dehydration since it is concentrated. A salty taste in the mouth is likely due to the same thing as there is probably not enough water to dilute the sodium. ...Read more

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What causes a metallic taste with food poisoning?

What causes a metallic taste  with food poisoning?

Spoiled fish: Eating spoiled fish---especially dark meat fish such as tuna, mackerel, bonito and mahi mahi---may cause a temporary metallic taste in the mouth. This type of food poisoning is called scombroid or histamine fish poisoning. ...Read more

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What causes burps that smell like rotten eggs, bloating, constipation and nausea?

What causes burps that smell like rotten eggs, bloating, constipation  and nausea?

H. pylori: This could be an infection with helicobacter pylori. It can be diagnosed with a breath tests or a blood test and can be treated. See a doctor. ...Read more