Causes of disorder of the mouth-Parageusia

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Parageusia is a medical condition characterized with metallic taste in the mouth which is usually caused by food allergies, pregnancy and use of certain medications. It is a disorder of the mouth. It may be short-lived or prolonged depending on the condition leading to it.

The taste bud and the olfactory sensory neurons are responsible for the sense of taste and smell. Information to the brain by the taste bud and the olfactory sensory neurons is through the nerve endings which then recognize specific tastes. Whenever there is any problem in this complex system, it may bring about a metallic taste in the mouth.

 

 

Causes
There are several factors that can lead to metallic taste in the mouth, these factors are discussed below.

One of causes of metallic taste in the mouth is medication. Certain medications are known to make the mouth has distorted taste. Some of the medications known with the side effect include: blood pressure drugs, antibiotics, glaucoma and osteoporosis medications.

In addition to the above, people who are on chemotherapy and radiation treatment are also susceptible to having metallic taste in the mouth. Put simply, certain types of chemotherapy and radiation do cause a metallic taste.

Vitamin deficiency can also contribute to having metallic mouth taste.

Furthermore, metallic taste of the mouth is also attributed to some sinus issues which brings about distortion is smelling sense. Allergies, common cold and flu, sinus infections and other upper respiratory infections are some of the sinus issues that may lead to metallic taste in the mouth.

In addition to the above, a disorder of the central nervous system may bring about distortion in messages to be received by the brain there by leading to taste distortion or impaired taste.

Pregnancy is another medical condition that causes metallic taste in the mouth. Although, the cause of this is idiopathic, however, it has also been attributed to hormonal changes most pregnant women experienced in the first trimester.

Some certain food naturally has attributes of distorting the taste of the mouth and by extension causing metallic taste in the mouth. Thus, having allergy to certain food may lead to metallic taste. Foods like shell fish or tree nuts are common examples of food allergies.

Poor oral health and dental care are another prominent cause of metallic taste in the mouth.

Surgery of the middle ear and ear tube may also lead to metallic taste in the mouth. An infection to the chorda tympani which is the very close to the inner ear that regulates the taste in the tongue may be subjected to surgical intervention, however, in the course of doing this, it may be damaged while on surgery and thereby resulted in distorted taste and metallic taste in the mouth.



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