Most causes of a bitter taste in the mouth are not symptoms of a serious illness. However, this condition can be uncomfortable, affecting eating habits and nutrient intake, according to the health website Medical News Today (UK).
Certain illnesses, such as colds and the flu, can also cause a bitter taste in the mouth.
A bitter taste in the mouth can be a warning sign of the following health problems:
Dental problems
Poor oral hygiene can cause a bitter taste in the mouth, increasing the risk of cavities, gingivitis, and other oral diseases. Brushing your teeth twice a day, flossing, and cleaning your tongue will help eliminate the bitter taste and prevent infections. Using mouthwash is also a way to limit bacteria and prevent bad breath.
Reflux
Gastroesophageal reflux disease (GERD) is a cause of bitter taste in the mouth. The condition causes stomach acid to reflux into the esophagus, leading to a burning sensation in the chest and abdomen, a bitter taste in the mouth, bad breath, and other health problems.
Oral thrush
Oral thrush, also known as candidiasis of the tongue or tongue fungus, is caused by the yeast Candida Albicans, resulting in white spots on the tongue, mouth, and throat. Those infected will experience a bitter taste in their mouth until the fungal infection is treated.
Medicines and dietary supplements
In some people, taking medication, supplements, or medical treatments can cause a bitter taste in the mouth. This is because the bitter aftertaste of the medication or chemicals used in the treatment is excreted into the saliva.
Causes of a bitter taste in the mouth can include certain antibiotics, heart medications, lithium, and vitamins containing minerals or metals such as copper, iron, or zinc.
Some diseases
Certain illnesses, such as sinusitis or the common cold, can also cause a bitter taste in the mouth. This is because when you are sick, your body releases inflammatory proteins to fight off the pathogens. These proteins can affect the tongue and taste buds, causing a person to experience a bitter taste in their mouth.
Treatment for a bitter taste in the mouth will depend on the underlying cause.
To reduce the bitter taste in the mouth, sufferers can try several home remedies such as drinking plenty of water, practicing good oral hygiene, chewing sugar-free gum, and avoiding foods that can trigger reflux, such as spicy and greasy foods, according to Medical News Today .
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