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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes A Fishy Taste In The Mouth?

I am a almost 55 yr old female. I have some health issues, one being heart desease as well as a few other things. My question is recently I have this lingering fishy taste although I have ate no fish and sometimes nothing at all for 8-10 hrs. What could be causing this and should I be worried?
Fri, 1 Apr 2016
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Dentist 's  Response
Hi Dear,

Welcome to HCM.

Understanding your concern. As per your query you have symptoms of fishy taste in the mouth which may indicate that you have taste impairment, meaning there’s a problem with your ability to taste. There are many reasons for taste impairment, including a nasal infection, cold, or flu. It could also be related to an ear infection, vitamin B12 or zinc deficiency, swollen gums, certain medications you are taking, a side effect of smoking pipes, exposure to some chemicals (such as insecticides), or dental problems. If the taste disorder is related to your dental hygiene or care, your dentist can diagnose the problem. Otherwise you might want to see your doctor. An ENT specialist should be consulted about taste impairment problems, such as a constant sweet taste in your mouth.
Neurologic problems such as a stroke, seizure disorder or epilepsy can also cause this problem. The patient may not even be aware that they are having a seizure, epilepsy or a stroke because this may be the only symptom. Furthermore, virus that attack the olfactory nerve or taste nerve can lead to this sweet taste. On the other hand, infection in the sinuses, nose and/or throat, especially with the bacteria pseudomonas, can give you a sweet taste or smell.

Hope your concern has been resolved.

Get Well Soon.

Best Wishes,
Dr. Harry Maheshwari
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What Causes A Fishy Taste In The Mouth?

Hi Dear, Welcome to HCM. Understanding your concern. As per your query you have symptoms of fishy taste in the mouth which may indicate that you have taste impairment, meaning there’s a problem with your ability to taste. There are many reasons for taste impairment, including a nasal infection, cold, or flu. It could also be related to an ear infection, vitamin B12 or zinc deficiency, swollen gums, certain medications you are taking, a side effect of smoking pipes, exposure to some chemicals (such as insecticides), or dental problems. If the taste disorder is related to your dental hygiene or care, your dentist can diagnose the problem. Otherwise you might want to see your doctor. An ENT specialist should be consulted about taste impairment problems, such as a constant sweet taste in your mouth. Neurologic problems such as a stroke, seizure disorder or epilepsy can also cause this problem. The patient may not even be aware that they are having a seizure, epilepsy or a stroke because this may be the only symptom. Furthermore, virus that attack the olfactory nerve or taste nerve can lead to this sweet taste. On the other hand, infection in the sinuses, nose and/or throat, especially with the bacteria pseudomonas, can give you a sweet taste or smell. Hope your concern has been resolved. Get Well Soon. Best Wishes, Dr. Harry Maheshwari